Bosch 1506 14 Gauge Shear 4.6 Amps with 2400 SPM features Bosch Planetary gear drive for more power per pound, and its Upper blade is double-edged if the first edge is worn, simply reverse blade. Also, it offers a Mushroom top handle for extra control under heavy cutting loads easily removed for cutting in confined areas, a lightweight and well balanced for excellent control, plus low vibration for operator comfort while visible blade allows precise pattern cutting and easy blade adjustment when switching material thickness, and also the tool is Double insulated, UL listed, and complies to OSHA.