Product Specification about Bossman BIc1312 13mm 1/2" Keyless Chuck Hex Shank Adaptor

Made of high quality steel, heavy duty and durable.
Suitable for impact drills and electric power drivers.
Chuck adaptor Thread : 1/2" (13mm)
Versatile use on impact wrench or electric power driver to quickly switch tasks and converts to drilling function.
Use it to drilling on metal & Wood.

Model : BIC1312
Thread Mount : 1/2" - 20UNF
Chuck Adaptor Thread : 1/2" (13mm)
Clamping Range : 2-13mm