Engineered for heavy duty grinding and cutting, WE15-150 Quick 13.5 Amp 6 in. Angle Grinder with TC Electronics and Lock-On Sliding Switch uses a powerful Metabo LongLife motor that includes advanced designs to optimize air flow for cooler operation and extend longevity in harsh environments. This compact angle grinder features a Quick change wheel system that allows the fastest wheel changes available, and a side-mounted slide lock-on switch. Additional electronic features include speed stabilization, overload protection, power interruption protection and soft start.