ADJUSTABLE LOCK JIG: Sliding plates and stops for mortice and faceplates from 30mm up to 250mm long, ideal for use with obscure sized locks as well as all standard locks and latches. QUICK AND EASY SET UP: Engraved on underside to allow fast, accurate set up for common door widths of 35mm, 40mm, 44mm and 54mm. ADAPTABLE SLIDING PLATE AND STOP ADJUSTMENTS: Useful with different guide bush diameters and straight cutters for general mortice work in construction projects. COMPATIBILITY: For use in a 1/2-inch capacity router with 80mm plunge capacity fitted with a 30mm guide bush and 12mm inch cutter. Suitable Trend cutters: 3/75X1/2TC, TR37X1/2TC, C172X1/2TC. RECOMMENDED USE: Adjustment range makes it the ideal jig for precision fitting the mortice positions for multi-point lock strips into wooden doors; For lock faceplates of lengths from 30mm up to 250mm long., Weight: 3.30693393 Pounds, Manufacturer: Trend