SIMPLE OPERATION. Thanks to its unique, magnetic quick- adjust base system, the design of the Massca Pocket Hole Jig provides rapid and simple operation to make it one of the fastest and easiest jigs available. QUALITY DESIGN. No marking out is required when using this jig. It features an inbuilt workpiece thickness gauge, inbuilt drill depth setting gauge and inbuilt setup gauge for rapid checking of dimensions, fast operation and quick drilling of joints. RELIABLE CONSTRUCTION. The Massca features a hardened drill guide to supply a long life, along with a clamping magnet for use with steel clamps. As such, this Twin Pocket Hole Jig is designed to allow the accurate drilling of side- by – side pocket holes. ACCURATE RESULTS.Use d for creating those perfect woodworking holes or to repair wood joints, the Pocket Joint involves cutting a slot and accurately pre- drilling a pilot hole at an angle between two boards before connecting the two with a screw. COMPLETE SET. Perfect for joinery woodworking DIY carpentry projects, this set comes compete with a jig, drill bit, stop collar and hex key. The Pocket Hole Jig is designed for use with timber from ½”- 1½” in thickness (13mm- 38mm).