The Spin Doctor RI Wedge is the only wedge in golf with Replaceable Insert System "Fresh Face Technology" The Spin Doctor RI Wedge Insert gives you fresh grooves in seconds! Put a fresh face on your wedge without replacing your club. Change inserts as your game evolves and play the newest insert technology available. The Spin Doctor RI Wedge is the most versatile wedge in golf. You can experience the newest insert technology with the best wedge in golf. This replacement Pro-Style Insert fits perfectly inside the Spin Doctor RI wedge cavity. Spin Doctor RI Reverse Grove Onsert (4 Pack) Amazing Back Spin From Your Existing Wedge, Just add it to your clubface and watch it come Spinning back. The grooves come forward to grip the ball and stop skidding Spin Doctor OnSerts are made of tough, transparent Lexan and adhere to the face of any wedge or short iron. The 9 raised ridges of the exclusive Reverse Groove Technology impart 250 - 400% more backspin than anything else on the market. With the Spin Doctor OnSerts, anyone can spin the ball using their existing wedges even on hardcover distance balls. Using Spin Doctor OnSerts is the easiest, most economical, most fun, and most effective way to spin the ball like the pros! Spin Doctor RI Reverse Grove Insert, For the Spin Doctor RI Wedge Spin Doctor RI Reverse Grove Insert, For the Spin Doctor RI Wedge Spin Doctor RI Reverse Groove Insert is a replacement face for the Spin Doctor RI Wedge Amazing Back Spin, It is made from the same mold as our clear Onsert, it fits into the face of the Spin Doctor RI Wedge just hit down on the ball and watch it come Spinning back. The grooves come forward to grip the ball and stop skidding increasing grip and RPM on the ball. The 9 raised ridges of the exclusive Reverse Groove Technology impart 250 - 400% more backspin than anything else on the market. With the Spin Doctor Inserts, anyone can spin the ball, even on hardcover distance balls. Using Spin Doctor Inserts is the easiest, most fun, and most effective way to spin the ball like the pros! Your friends will be amazed at how you spin it back like the pros, green after green. Pro-Style Tungsten Carbide Insert The replaceable Spin Doctor Tungsten Carbide insert produces amazing spin around the green. Fire at the flag and watch the ball stop on a dime. Small tungsten particles grab the ball and impart incredible spin that players of all levels will appreciate. Pro-Style Diamond Insert The replaceable Spin Doctor Diamond insert will give you the confidence to go for the flag from any lie. The Spin Doctor high-impact Diamond insert provides ball-stopping control that all golfers will enjoy. Tiny diamond particles embedded on the insert surface preserve the precise roughness for consistent performance and will give you more spin from anywhere on the course. Pro-Style Titanium Insert The replaceable Spin Doctor Titanium insert allows penetrating ball flight and enhanced feel during impact. The design elements of the Spin Doctor RI Wedge and the power of Titanium offer golfers of all levels consistent results shot after shot. Pro-Style “Self Rusting” Black Star The replaceable Spin Doctor Self-Rusting Black Star insert will allow you to hit shots that zero in on the flag with optimal spin. The advanced self-rusting process creates high friction upon impact for tremendous spin control. Pro-Style Nickel Insert The replaceable Spin Doctor Nickel insert is standard for most wedges on the market. Low-mid handicap golfers that play high-spin balls will enjoy the control and playability of this insert. These Prostyle inserts have grooves that conform to USGA Amateur Tournament play Pro-Style “Self Rusting” Black Star The replaceable Spin Doctor Self-Rusting Black Star insert will allow you to hit shots that zero in on the flag with optimal spin. The advanced self-rusting process creates high friction upon impact for tremendous spin control. Pro-Style Nickel Insert The replaceable Spin Doctor Nickel insert is standard for most wedges on the market. Low-mid handicap golfers that play high-spin balls will enjoy the control and playability of this insert. These Prostyle inserts have grooves that conform to USGA Amateur Tournament play About us. The Spin Doctor Golf, established in 1996, offers top-quality products and innovative technology at affordable prices to allow golfers to play like a pro! The first Spin Doctor product was a high spin pad that could be attached to the face of any existing golf wedge. The patented "Spin Doctor Onsert," is manually attached by an adhesive backing and can be replaced when it becomes worn. Its reverse grooves produce 12,000 rpm and add 400% more backspin on any golf ball. Telling our customers that they will "Spin It Like The Pros" and "Hold Any Green, With Any Ball, Any Time."