DeWalt® DWE402 Small Angle Grinder with 3-Powerful Systems, 4-1/2"The DWE402 4 1 2 in. (115mm) Small Angle Grinder features three powerful systems for maximizing performance such as the Dust Ejection System for preventing damaging dust from entering the tool, One Touch Guard for 360 degree rotation, and Quick Change Wheel Release for easy wheel removal. Top mounted and protected spindle lock button maximizes depth of cut without comprimising durability. Next Generation 11 Amp AC DC 11,000 rpm motor provides the best