Adjustable Planer Blade Cutter Calibrator Setting Jig Gauge Woodworking Tool,Fits for all makes and models of Surface Planers, Jointers and Combination Planer/ Thicknessers,Can be used on the planers and jointers, even molder heads with 2-9/16 inch to 5-1/8 inch cutterheads,Designed to adjust leveling blades preciselyWith two planer blade, each within a framework with magnets for firmly attaching to a cutter head. Simply place the gauge assembly over the cutting tool and then adjust for the correct cutting tool heightSimplify setting and adjusting cutting tool in a cutter head by stabilizing the cutting tool blade. Time Saving Device when mounting and setting planer bladesMade of high quality material, high strength and hardness, durable and practical,Uses Mini adjustable magnet and will help you install new planer blades in perfect alignment with accuracy,Adopts heavy duty magnets and can hold blade up to 20 inch lengthUnique design, don't need to be down, convenient to use, and high qualityColour: Black Material: ABS + metalProduct size: 5.8*9.5cmPackage Contents:2*Planer Blade Calibrators1*Wood Box1*User ManualOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.