The O Works Tank #1 Putter is a rounded heel toe weighted blade with a crank neck hosel high contrast Versa alignment Microhinge Face Insert adjustable weights Tank counterbalance full shaft offset and a Superstroke grip.Unmatched Roll with our New Microhinge Face InsertThis new technology will change the way people look at roll off the putter face forever. Our Microhinge Insert Technology provides incredible gains in topspin and roll at impact regardless of your stroke. The stainless steel Microhinge plate is co molded into our Thermoplastic Elastomer Feel Layer providing great feel and allowing the hinges to lift the ball into a better roll at impact.New and Improved Versa Alignment TechnologyMajor championships…check. This revolutionary high contrast alignment technology allows your eyes to key in on the linear designs to highlight the proper face angle from address to impact for alignment throughout your putting stroke. The new red highlight lines give you an additional aid to make sure you’re lined up exactly to your target.Tank Counterbalance for More ConsistencyMore stability at impact. When golfers tried these new putters 60% of them had a more consistent path which is an absolutely staggering number. The counterbalance weight heavier heads and heavier shafts quiet the hands and engage the big muscles to promote a more consistent stroke.Tour Proven ShapesThese are some of our most prolific models that have dominated Tour events and major championships for years. As the #1 putter across the major tours we’re constantly working with the best players in the world to develop and tweak shapes for ultimate performance.Specifications Model Head Type Loft Availability Standard Length Lie Offset Head Weight #1 Tank Blade 3° RH / LH 35" 70° Full Shaft 375g #1 Tank Blade 3° RH / LH 38" 70° Full Shaft 375g