Molded from high density polyethylene | Features short peak and trim profile | Secure-Fit ratchet features an easy turn knob | The product is 52900 HOLE SAW, M65 HS REG^The product use for hole saw sets^This product manufacture by United States | The product is 52900 HOLE SAW, M65 HS REG^The product use for hole saw sets^This product manufacture by United States