About this item:
【Clamp Range & Size】Capacity Range: 3-16mm(1/8-5/8 Inch). Connection Size:1/2"-20UNF thread.
【Package Content】1 * 3-16mm Drill Chuck Adapter, 1 * 3/4” Weldon Shank, 2 * 16mm Chuck Key Wrench.
【Easy to use & Install】The drill chuck can lock onto the bits tightly and sturdy, not easy to loose. Use for holding drill bits, dowels, small turnings, pen mandrel shafts, etc.
【Durability】 The drill chuck adapter adopts high-precision threads, conical tightness, and the main body and sleeve are coated with anti rust chromium electrophoretic enamel coating.