Made of high quality materialMade of good quality materials, anti-rust, durable to use. There are 6 contacts between the inner hex screw and the wrench handle, When you tighten the weight screw with a wrench,When a certain is reached, it will ,It can protect your wrench And weight,produce a uniform stress and would not damage screw on the driver head. Lightweight, portable, with simple design, very lightweight and portable, easy to carry when going to golf course. Comfortable handle, ergonomic wrench handle, comfortable to grip. T20 for //Jetspeed/Cobra/Weights/Cobra/sim2/GEN4// Driver Fairway Hybrid Shaft Adapter Sleeve . Material: Titanium alloy colour: black Package Contents: 1 x Golf Wrench Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.