Honiwu Drill Chuck, Keyless Hand Drill Chuck, 1/2-20UNF Mount 2~13mm Self-Tightening Chuck Adapter Converter Self-Tightening Drill Chuck Converter for Multiple Purposes

• ABOUT THE SIZE - The hand drill chuck has a diameter of 43mm/1.69in and a length of 58mm/2.28in and a connection of 1 2-20 UNF. Wide range of clamp range from 2 to 13mm, suitable for many types of drill bits.
• KEYLESS DESIGN - The metal drill chuck adopts a keyless selftightening design, which is more ergonomic. Allows you to quickly and easily swap bits into and out of the chuck by hand, more convenient and labor saving.
• LONG TERM STABLE - Keyless chuck finger tightens for easy bit changes; Greater clamping force, effectively preventing drill bits loose off, more reliable, suitable for long time work.
• AN IDEAL ACCESSORY - The keyless drill chuck is constructed with all metal for great durability, durable construction meets the demands of frequent use.
• QUALITY ASSURANCE - We are committed to create the best product service for each customer. If this product does not meet your expectations, please contact us, we will try the best to deal with till you satisfied.

Specification: Diameter: 43mm/1.69in Length: 58mm/2.28in (3-5mm tolerance) Connection Size: 1/2-20UNF Clamping range: 2 ~ 13mm/0.04 ~ 0.51in Package list: 1 x drill chuck Note: Before purchasing, you need to check whether your drill's connecting thread is 1/2-20UNF. (1/2 - 20 is the definition of thread specification. Specification: 1/2; Number of threads (T): 20. UNF, UN is the standard code of inch thread and F is fine thread).