This bright thumb nail is attached to your knife in seconds with the included screws and hex wrench. Thumb studs are firmly secured to the blade style: B Material: Metal colour: Silver Package Contents: 8 x push cutter 8 x screws 8 x wrench Only the above package content, other products are not included. Note: Light reflection 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.