Bosch 1651B 36V Reciprocating Saw (bare tool) features a Built-in saw hook - convenient saw storage between cuts. A Patented LockJaw Blade Change System –for fast, easy push to insert blade and twist to eject blade. Fastest saw in its category - 1-1/2 per sq. inch / per minute. ProVantage 3-year Protection Plan. Rafter hook Only saw in its class with hook, for easy placement after cut. Two speeds 0-2,400, 0-3,000 SPM. Soft-grip handle provides increased comfort and control. Battery insertion Spring-loaded, easy to engage and replace battery. Collar Great ergonomic grip, giving better control to the user. LockJaw Able to engage and withdraw blade and single hand. Toe Open toe for better line of sight. Motor Up to 3,000 SPM - for cutting wood, metal or plastic.