Center Plotter, Self Centering Dowel Jig, Center Offset Carpentry Locating Dowel Jig for Woodworking Drilling and Marking Woodworking Drilling and Marking Multi-functionThis is a 2-in-1 center positioning pin fixing kit, a woodworking system that combines marking and punching, which can be positioned more precisely to prevent dropping. Self Centering Dowel Jig for Drilling Holes and Center Tracer Systerm for Marking, you can also use it as Self Centering Dowel Pin Holder for Drilling, or Center Tracer for Marking. AdjustableThe self-centering dowel jig kit is movable with screws, can adjust the distance according to different demands can be moved by screws, and the distance can be adjusted according to different needs. Whether you are hardworking or not, you should have this very useful tool. Durable and AccurateThe wood dowel hole drill guide tool is made of ABS plastic and drill guide Made of aluminum alloy, high hardness and strength, clear and wear-resistant offset marking scale. clear offset scale and weighs only 0.5 lbs. Precise MeasurementThis tool can quickly and accurately mark the center line on the board, the drill guide is 6mm (1/ 4"), 8mm (5/16") 10mm (3/8"), could trace to draw 1/16 inch, 3/16 inch, 5/16 inch, 7/16 inch, 1/8 inch, 1/4 inch, 3/8 inch, 1/2 inch edges. Easy and Quick Positioning ensures precise alignment when drilling, can quickly and accurately mark center lines on wood . There is an inch scale marking function on both sides of the dowel jig, dowel jig and center tracer in one to improve work efficiency.