Their Veloce grips are a mix of textures running multiple directions to prevent slippage and keep you on target so you can GO FAST! Includes their Buck Mark T20 Screws & O-rings Note: These grips will only work for their included Buck Mark T20 screws. Product Features Total Thickness: Stock rubber wrap around grips ~1.245" LOK Grips ~1.260" G10 Material: Their grips are made from Phenolic G10. G10 is only 1/2 the weight of aluminum but nearly as strong with a grippier texture. G10 won t crack or shatter, like the cheaper polymer and acrylic grips are known to do. The color is dyed into the material, so scratches aren t an issue. G10 grips will last a life time under normal use.