07900MTK Self Centering Metric Doweling Jig

Jig has (2) perminant hole in center block sizes 10mm and 12mm also comes with (2) of each removable drill guide bushings: 5mm,6mm, and 8mm.The patented automatic self-centering action of these jigs assures accurate center drilling every time, even on round objects. Large steel clamping screw tightens the tool like a vise, with rugged aluminum sides holding work securely without damage to the wood. Large 2-1/4" capacity on all models will handle most size requirements. Drill guide centers and bushings are hardened, guide holes are precision drilled and reamed for extreme accuracy. USA.