Golf grips. The SuperStroke CounterCore Pistol Gt putter grips are our original patented design with the addition of CounterCore Technology. CounterCore allows golfers to fine-tune the feel of their putter. Slim’s also feature No Taper Technology as well as CROSS-TRACTION™ surface texture to help you with a smooth, consistent, and reliable putting stroke. Specifications: Diameter: 28mm (1.1’’), Lenght: 266mm (10.50’’). Weight: 52g (without CounterCore). Colour: Blue.Made in: ChinaColour: BlackColour: BlueSuitable for: PutterCore Size: .580"Weight: 52 gGender: UnisexOriginal Colour by Producer: Blue MidnightGrip Length: Standard