Features: Made of high-quality materials, offering high strength, high hardness, and durability. Uses small adjustable magnets to help install planer blades with precise alignment. Equipped with heavy-duty magnets capable of holding blades up to 20 inches in length. Designed for ease of use without the need to disassemble components. Compatible with all makes and models of planers, jointers, and combination planer/thicknessers. Suitable for use on planers, jointers, and molder heads with cutterheads ranging from 2-9/16 inches to 5-1/8 inches. Engineered for precise leveling adjustment. Includes two planer blade calibrators, each set within a magnetic framework for secure attachment to the cutter head. Simply place the gauge assembly over the cutting tool and adjust to the correct height. Simplifies setting and adjusting cutting tools by stabilizing the blade during installation. Helps save time and improve accuracy when mounting and setting planer blades. Specifications: Minimum cutter shaft diameter: 75mm. Maximum cutter shaft diameter: 125mm. Height adjustment range: 22mm. Incremental adjustment: 0.15mm. Magnetic planer knife blade setting jig height setter tool. Keeps hands free for adjustments. Ensures knives remain perfectly aligned during setup. Easy to operate. Material: Metal. Color: Black. Package Contents: 2 x Planer Blade Calibrators Note: Light reflection and different display settings may cause slight variations between the color of the item in the image and the actual product. Measurement error allowed is +/- 1-3cm.