DESIGNED TO CUT DIFFERENT MATERIALS: Includes Plaster and General Purpose recip blade. COMFORTABLE GRIP: Rubberized grip prevents hand fatigue during use. HOLDS BLADE SECURELY:Reinforced locking mechanism prevents blade from pulling out or handle closing during use. DURABLE DESIGN:Aluminum construction maximizes strength of handle. ACCOMMODATES HACKSAW BLADE: Ideal for flush cutting applications or when a hacksaw is not available