This 18 V cordless jig saw is engineered for curve cuts, delivering strong and manageable power. The Bosch GST18V-50 18 V top handle jig saw provides corded performance, with a cutting capability up to 4.9 in in wood and 0 to 3500 spm speed. It provides a variable speed dial allows matching the speed to material. It has a variable speed trigger, which provides further control over the operating speed by feathering the trigger. The jig saw has four orbital action settings for cut control. The large die-cast aluminum footplate with no-mar plastic overshoe to help prevent damage to the workpiece. It is compatible with guide rail and circle adapter. The cut lines stay visible due to the dust blower and LED light. The jig saw features a tool-free T-shank blade change system.Powerful 18 V jig saw design delivers up to 3500 no-load spmLarge die-cast aluminum footplate includes a no-mar plastic overshoe for greater stabilityVariable speed control provides a dial to control operating speed, from 0 to 3500 no-load spmVariable speed trigger provides further control over the operating speed by feathering the triggerCorded performance delivers a cutting capability up to 4.9 in in woodFour orbital action settings delivers varied blade strokesTool-free blade change system permits fast, convenient blade insertion and ejectionDust blower keeps the cut line visible and free of dustLED light illuminates the cut line in dark work areas