Hunter- BL20, BL21, BL23, BL30, BL31, BL33. 3 Piece Hubless Quick Chuck Adapter Set for 1" Arbor Brake Lathes 70040 Ammco. 3 Piece Hubless Quick Chuck Adapter Set for All 1" Arbor Brake Lathes. This adapter kit allows machining of hubless drums and rotors with centering holes ranging from 2-1/8” to 3-3/4” (Compact cars through 1-ton trucks.).
