Product Description Features: Super fast tool free changes between different diameters of hole saw and easier core ejection! Rapid release arbor system ULTI-MATE from Starrett offers super fast, tool free changes between different diameters of hole saw, without adjustment of the drill chuck. Removal of cores from a hole saw after a cut is also much improved by the rapid release of the hole saw from the arbor Constructed of hardened, heat and abrasion resistant materials; high speed steel teeth with tough alloy body and cap Exceptional strength, durability and shatter resistance for user safety Cuts through any wood, metal or plastic Includes: Holesaws: 16, 20, 25, 32, 40, 51 mm One (1) A3 ULTI-MATE hole saw arbor with pilot drill Three (3) A3-3 ULTI-MATE hole saw adapters, suitable for hole saws from 14mm – 30mm / 9/16” – 1.3/16” Three (3) A3-4 ULTI-MATE hole saw adapters, suitable for hole saws from 32mm – 102mm / 1.1/4” – 4” Starret holes saw storage case UPC: 0049659625011 Enquiry Tell A Friend