Bosch SDS Max Chuck Adapter for 1/2 UNF

It is compatible with rotary hammers. The Chuck Adapter connects 1/2-inch-20 UNF chucks to SDS max hammers.
: Connects 1/2-inch-20 UNF Chucks to SDS max Hammers
: Chuck Adapter connects 1/2-inch-20 UNF chucks to SDS max hammers
: Compatible with rotary hammers Specifications: Shank: SDS max For drill bit shank: 1/2″-20 UNF