Lyman's masrer gunsmith hex head ring and base screw kit contains 10 each of 14 premium 3/32" hex style scope ring and base screws.It comes packaged in a handy storage box with individual compartments for each size screw.Includes tweezers and a thread size gauge which also doubles as a shortening jig used to grind a screw to a shorter length.Closed Length: Various SizesType: Gunsmithing KitBlade Type: Hardened SteelBlade Length: AssortedOal: 3/32" HexHandle Description: MetalWeight: 8.80 ozSheath: N/AEdge Type: 8.8 ozSharpener Type: 142Open Type: N/ANo. Of Blades: Metal