Wahl® Competition Size 40 Wide Clipper Blade Delivers a smooth, show-quality cut. Compatible with Wahl’s KM10, KM5, KM2, KM2 Deluxe, KM Cordless, Power Grip, SS-Pro, and Stable Pro Plus clippers. And compatible competitor clippers with a detachable clipper blade. Manufacture item number 2352. Cuts 0.6 mm (1/128 inch).