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

• Clamp range: 2~13mm / 0.04~0.51in; diameter: 43mm / 1.69 inches; length: 58mm / 2.28in; connection size: 1/2-20UNF.
• More the drill chuck is and has a long service life, suitable for long-term work.
• Not easy to loosen: The chuck can firmly fix the drill bit and is not easy to loosen.
• 【Service】We are responsible for the product and believe in the quality of the product. You can buy with confidence. If you encounter any problems, please feel to contact us, we will reply you as soon as possible after receiving your message.

Description Specification: Diameter:43mm/1.69in Length:58mm/2.28in (3-5mm tolerance) Connection Size:1/2-20UNF Clamp Range:2 ~ 13mm / 0.04 ~ 0.51in Package List: 1 x Drill Chuck Note: Before purchase, it is necessary to verify whether the connecting thread of your electric drill 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).