Superior Electric SW77 Aftermarket 20 Amp Trigger On-Off Switch Replaces Skil 2610321608, Ryobi & Ridgid 760245002 Skil Saw Replacement Switch replaces Skil 2610321608 Trigger type switch with 4 internal terminals For Skil HD77 and HD77M Worm Drive Skil Saw Amperage: 15/10A Voltage: 125/250V