Features:
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).
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