PRODUCT DETAILS Click an item to expand and learn more Overview Mafell's replacement Anti-Slip Mats for the DD40P and DDF 40 (sold as a pair) allow for quick drilling on small materials with no clamping neededTwo mats come standard with the DD40P Duo Dowel System and DDF 40 Duo Dowel SystemUses:Creating mortise joints for timber framingCutting deep slots in wood for joineryMaking mortises for door locksCarving out spaces for hinges in heavy doorsCrafting large tenons on beamsHollowing out sections for embedded hardwareShaping deep grooves for custom fittingsConstructing joints in log buildingCreating recesses for gate hardwareMortising for structural beam connections Reviews Questions and Answers