7/16 in. hex shank ; 12 in. length ; For Selfeed bits, auger bits and hole saw 1 in. diameter and larger with 7/16 in. shank ; Hole saw and arbors are interchangeable with most other brands
7/16 in. hex shank ; 12 in. length ; For Selfeed bits, auger bits and hole saw 1 in. diameter and larger with 7/16 in. shank ; Hole saw and arbors are interchangeable with most other brands