SeeMore Si2 RST Hosel Putter Review

Let me break down what makes this RST (RifleScope Technology) hosel so different from your standard plumber neck. Initially, it's got this fluted barrel design that enters the putter head at a precise 70-degree angle. Now, I know what you're thinking, "Paul, who cares about the angle?" Well, you should. Because that specific angle, combined with where it connects to the head (closer to the sweet spot than traditional designs), creates a setup that naturally promotes a square face at impact.

I've tested dozens of putters with different hosel configurations over the years, and most plumber necks feel disconnected from the head, like you're putting with a stick attached to a block. The RST hosel creates this seamless flow from your hands through the shaft and into the head. It's hard to explain until you feel it, but there's a connectivity here that immediately stood out during my initial practice session.

The hosel also integrates SeeMore's signature RifleScope alignment system right into the neck itself. You've got white alignment lines on the lower portion of the hosel that work in conjunction with a hidden red dot. When you can't see the red dot at the address, you know you're perfectly aligned. It sounds gimmicky, but after using it for a few rounds, I found myself setting up more consistently than I have in years. My playing partners noticed it too, one mentioned that my setup looked "tour-like," which, trust me, nobody has ever said about my putting before.

What really sold me was how this hosel design promotes hands slightly forward at address without feeling forced. With my old blade putters, I'd constantly battle between getting my hands forward enough for a proper stroke but not so far that I de-lofted the face. The RST hosel naturally puts you in that sweet spot every single time.

When I initially picked up the Si2, I expected the typical heavy, dead feel of a cast stainless steel blade. Instead, I got something completely different. SeeMore mills an aluminum face insert into the 303 stainless steel body, and the difference in feel is night and day. This isn't the harsh click you get from most blades or the mushy feel of deep-groove inserts. It's this perfect middle ground, soft enough to provide feedback, responsive enough to control distance.

During my testing, I hit putts from 3 feet to 40 feet, and the distance control remained predictable throughout. On those delicate downhill 5-footers where you need to just breathe on the ball, the aluminum insert let me barely tap it without the ball jumping off the face. On longer putts where you need to give it a rap, the insert still provided enough response to get the ball to the hole without feeling like I was hitting it with a brick.

The 4.25-inch face length gives you plenty of room for those occasional off-center strikes (we all have them), and the aluminum insert actually helps minimize the distance loss on heel and toe hits. I intentionally hit putts off the toe during practice, and while they didn't roll as pure as center strikes, they still held their line better than any traditional blade I've used.

Temperature was another surprising benefit. You know how steel putters feel like ice blocks on cold mornings? The aluminum insert moderates that sensation. Playing in 45-degree weather last week, the face still felt lively and responsive when my buddy's all-steel putter felt completely dead.

Let's talk about the aesthetics and how they translate to performance. The Si2 comes in either a sleek matte black or charcoal PVD smoke finish. I tested the charcoal, and it's absolutely gorgeous, sophisticated without being flashy. Under bright sun, there's zero glare, which is something I didn't realize bothered me with chrome putters until I didn't have to deal with it.

The heel-toe weighting is obvious when you pick it up, but it's not overdone. SeeMore managed to pack stability into a traditional blade profile without making it look like a science experiment. The face depth of 0.83 inches and flange depth of 1.37 inches create this perfect visual at address, compact enough to frame the ball nicely but substantial enough to inspire confidence.

This is where the forgiveness really shows up: the 25-degree toe hang. This isn't a face-balanced mallet pretending to be a blade. It's designed for players with a slight arc in their stroke, and that toe hang helps the face naturally open and close through impact. If you're fighting pulled putts with a face-balanced putter, this toe hang might be exactly what you need to get the ball starting on line.

During on-course testing, I found the Si2 particularly effective in breaking putts. That combination of the toe hang and the heel-toe weighting meant I could release the putter naturally through the stroke without worrying about the face twisting. My make percentage on 6-8 foot breakers went from about 40% with my old putter to nearly 60% with the Si2.

After spending serious time with the RifleScope Technology, I've got some thoughts. This alignment system isn't for everyone, but for those who need it, it's game-changing. If you're someone who struggles with consistent setup, maybe you line up differently every time, or you're never quite sure if you're aimed correctly, this system will alter your putting.

The beauty is in its simplicity. Unlike some alignment aids that clutter the top line with lines and dots, the RifleScope system is clean and intuitive. Set up so you can't see the red dot, use the white lines on the hosel to square the face, and you're good to go. It took me about two practice sessions to trust it completely, and now I can't imagine putting it without it.

I tested this with different postures too. Whether you prefer a more upright setup or like to get your eyes directly over the ball, the 70-degree hosel angle and alignment system adjust naturally. The 2.5 degrees of loft might seem low, but with the RST hosel promoting slightly forward hands, it actually launches the ball perfectly.

One unexpected benefit: the alignment system helped expose a flaw in my green reading. Because I was setting up square to my intended line every time, I quickly realized I'd been subconsciously adjusting my aim to compensate for poor reads. With the Si2, if I missed, I knew it was either a stroke issue or a read issue, not an alignment problem.

Let me give you the real numbers from my three weeks of testing. Over 10 rounds, my putts per round dropped from an average of 33.2 to 31.4. My three-putt percentage went from 12% to 7%. Most impressively, my makes from 4-8 feet jumped from 68% to 79%. These aren't tour-level stats, but for a 12-handicapper, this kind of improvement is massive.

The Si2 really shines on faster greens. On the quick bentgrass greens at my home course (stimping around 11), the combination of the aluminum insert and the overall head weight gave me incredible touch. I could actually feel the difference between a putt that was going to finish two feet past versus six feet past, something I've always struggled with on fast greens.

The 303 stainless steel construction means this thing is built to last. After three weeks of regular use, including some practice sessions on rough mats, there's not a mark on it. The charcoal finish still looks brand new, and the aluminum insert shows no signs of wear. The entire putter is 100% USA milled, which shows in the precision of every surface and edge.

Absolutely, while the SeeMore Si2 RST Hosel Putter is a great product, there are a few pros and cons that you need to be aware of:

Pros:

• Innovative RST hosel design that genuinely improves setup consistency and face angle at impact

• The aluminum face insert provides exceptional feel and distance control that rivals putters costing twice as much.

• RifleScope alignment system is simple, effective, and actually helps you make more putts.

Cons: 

• The alignment system requires commitment to learn and trust (expect a week or two adjustment period).

• Limited adjustability compared to modern mallets with movable weights or adjustable hosels.

• The $299 price point puts it in competition with established premium brands that might have better resale value.