Vim Tools VIMHS-3/16 Bit holder 3/16 hex 1/4" drive Features and benefits: 15mm and 16mm ends are 6 point hex, designed to release the tension on spring loaded idler pulleys, heat treated and nickel chrome plated for durability, appearance Features and benefits: Sae 3/16 hex bit 1/4 square drive bit holder The best s2 drive bits