FeaturesThis grip screws under "Cool Hand" Brand, CNC machined from high grade stainless steel.Hardened to 39 rockwell hardness, T10 torx keys included.4 O rings for back up in case any space between bushing and screws need to be absorbed.These little touches will bring your whole pistol to a level that no one else carry same as yours.This grips Screws form and function makes your grips being unique.Screws perfectly fit Sig Sauer P226,P228. P229 grips.Packing4pcs screws4pcs o ringsT10 Torx keys included