Compatible with various sizes of threaded rods including 1/4", 3/8", 1/2", 13/16", 1", and 1-1/4". Designed with a 1/4" hex shank for easy attachment to standard power drills. Constructed from metal for long-lasting performance. Ideal for dry environments, ensuring optimal functionality on job sites. Includes safety notes for user protection, emphasizing the importance of gloves and eye protection during operation. Product Name: Nut Zipper Drill Attachment Compatibility: 1/4", 3/8", 1/2", 13/16", 1", 1-1/4" threaded rods Shank Type: 1/4" hex shank Material: metal Notes: 1. For use with standard power drills-avoid using with impact drivers. 2. Always wear gloves and eye protection during operation. 3. Best suited for dry environments; not intended for wet or muddy job sites. 4. Clean after each use to prevent buildup and extend lifespan. 5. proper alignment on threaded rods to avoid -threading. Color: As Shown Package Contents: 1* Nut Zipper Drill Attachment 2* Consumable parts Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.