Drill Bit Guide Centering Punch, Center Drilling Kit 10-Piece Set
Accurately drills perpendicular holes on flat surfaces, board edges, cylinders, even spheres! Clear, impact resistant housing gives excellent stability and finger control for freehand drilling.
(DOJ6) inch
(DOJ6) inch
Includes 3/16",1/4",5/16",3/8",7/16"&1/2" diameter hardened steel bushings.
(DOJ7) mm
Includes 4mm, 5mm, 6mm,8mm,10mm and 12mm diameter hardened steel bushings.