The Snap-on PT400 Series of Heavy Duty Die Grinders features a single-horsepower motor platform, a dual taper collet system, paddle style safety trigger and a low dB(A) rating to reduce noise fatigue. The series includes the PT400 Straight Die Grinder, PT410 Right Angle Die Grinder, PT400L Long Straight Die Grinder, PT430 3" Cutoff Tool, PT490 4" Angle Cutoff Tool and the PT450 4-1/2" Angle Grinder.