These screws are required for most plastic to wood stock conversions. These are Nickel screws. This screw set is to be used for any Savage Stainless model 10, 11, 12, 14,16, 110, 111, 112, 114 or 116 blind magazine action. Uses standard 5/32" allen wrench driver. Screws measure 1 1/4" and 1 1/2" respectively.