Scribe-Master KWJ900PRO Adjustable Length Sight Line Worktop Jig 150-900mm The Scribe-Master KWJ900 PRO is a 150-900mm Adjustable Worktop Jig with Square Window Sight Line Technology. EASY 1.2.3 Patent Pending. Simply mark your cut line using your square, line up the line with the window in the jig, make your cut. No more spacing from the back end of the jig. Features: FRONT EDGE SETTING All settings are done from the front edge eliminating any discrepancies from scribing or when using non-standard width worktops using Sight Line Technology Window EASY SET REFERENCE WINDOW Fast set up for any backset, simply align to a measured line 5 BACKSET OPTIONS (3, 5, 10, 24, 35mm) to meet the demands of new materials, edge profiles and trends SET UP as 300mm, 750mm or 900mm Jig BREAKDOWN to suit job size, easy storage and portability, just 35cm x 35cm x 6cm 2 x SEPARATE 3/4" BSP/Door Hinge & Dog Hole jigs FLUSH EDGE COMPATABILITY Allows worktops to be cut flush with door faces for handlel