Bosch RS428 14 Amp Reciprocating Saw High Power 14 Amps - Most powerful motor in class. Gives the ability to cut through hard / dense materials with ease Vibration Control System - Innovative counterbalance technology and anti-vibration handle reduce vibration to a minimum Best Power to Weight Ratio - Outperforms all major competitors by providing 14 Amps of power and weighing only 8-pounds Constant orbit - optimizes performance and speed Constant Response Electronics - Keeps tool running at constant speed under load