Double set screw with Allen wrench. Recommended for all 1/4" round shank drill bits requiring extra reach. Follows 5/8" and larger bits through hole. 1/4" shank. Only fits round shank Speedbor or Do it Best brand bits.
| SKU | 306289 | UPC | 024721886019 |
| Weight | 0.35 | Package Width | 15.45 |
| Package Length | 1.85 | Package Height | 0.65 |
| Model Number | 88601 | Brand | Irwin |