1 Piece high performance golf weight with screw for 913 D2 D3 Drivers 913F Wood 913H 5 Different weights: 7g, 9g, 11g, 14g, 17g are available for you to choose Lightweight, practical, durable, wear resistant, easy to use and portable to carry It can help you increase the head weight, adjust your swing weight, lower the center of gravity position and help hit the ball further Great replacement accessories for golf sports, golfer training aid Nice gift for any golfer, also can be used a Christmas present for your family, friends, colleague and yourself Specification: Material: Stainless steel Length: Approx. 23 mm/0.91 inch Width: Approx. 19 mm/0.75 inch Thickness: Approx. 5 mm/0.2 inch Screw Length: Approx. 11.5 mm/0.45 inch Color: Black Package Includes: 1 Piece Golf Weight with Screw(3 Pack) Note: Please allow slightly difference due to manual measurement. Color may be slightly different since different monitor. Thanks!