Sine Plate Parts & Accessories Lock Set for 3″ Sine – LOCKSET3 View Details Screw Set for 3″ Sine – SCREW-LS3 View Details On/Off Wrench for 4″ Magnetic Chuck View Details 4″ Rail with Holes – RAIL-4H View Details 4″ Rail with Slots – RAIL-4S View Details Lock Set for 5″ Sine – LOCKSET5 View Details Screw Set for 5″ Sine – SCREW-LS5 View Details 6″ Rail with Holes – RAIL-6H View Details 6″ Rail with Slots – RAIL-6S View Details 6″ Rail with Holes – RAIL-6H-ST View Details