PORTER-CABLE 394 5-Inch Low-Profile Random-Orbit Sander with Dust Collection and Pressure-Sensitive Adhesive Pad 3.5 Amp endura tech motor for increased performance and durability Electronic Load Control for 42% faster material removal EnduraTech Motor Technology has 71% fewer wear components for 5-10 times longer motor life Electronic motor brake reduces spin-down time by 73% for increased productivity; Mechanical pad brake reduces free-spin to virtually eliminate gouging Integrated dust port accepts 1- and 1-1/2-inch vacuum hoses