Durable, high-impact ABS body. Extended stainless steel blade channel supports 1-1/2″ blade exposure or (4) blade segments. Preloaded with a Multifunctional snap-off 18mm super heavy duty blade + 2 bonus blades. Ratchet-lock blade slider. No tool blade change. SK2H blade. Anti-slip cushion grip handle Acetone resistant handle. Metal pick for opening carton boxes, paint cans, screws and removing switch plates. Knife size: 180 x 22 x 60 mm. Blade size: 18 x 1.1 Uses Blades: 190027, 190028, 190078. >>This Tooltech Xpert Heavy Duty Utility Knife With Carpet Tucker has an extended stainless steel blade channel for additional support of the blade and a built-in carpet tucker located in the rear of the handle. Specially designed for applications needing extended cutting. Its blade sheath is 3.5 times stronger than standard blade sleeve, specially for depth cutting.