20pc Mini Micro Drill HSS Bits Set Index 61-80 w/ Metal Swivel Head Pin Vise The set includes 20pc HSS twist diamond coated drill bits in storage plastic case and one metal swivel head pin vise. 20pc index bit set includes the following sizes:#80 (.0135"); #70 (.0280"); #79 (.0145"); #69 (.0292"); #78 (.0160"); #68 (.0310"); #77 (.0180"); #67 (.0320"); #76 (.0200"); #66 (.0330"); #75 (.0210"); #65 (.0350"); #74 (.0225"); #64 (.0360"); #73 (.0240"); #63 (.0370"); #72 (.0250"); #62 (.0380"); #71 (.0260"); #61 (.0390") High quality tool for the professionals; 3-5/8" x 5/16" Dia. Swivel Head Pin Vise with 2pc Reversible Chucks. 2pc Reversible Chucks:0.5mm and 3mm - 0.5mm and 2mm; Great for electronics, crafts, jewelry, watch making. The latest version of the set might vary slightly from the original manufacturer from time to time, please refer to the updated displaying picture.