Router Bit Center & Depth Gauge by Rockler

When configuring your router table or freehand router, two key adjustments are required: setting the fence distance and the bit height. Our Center/Depth Gauge simplifies and enhances the accuracy of these processes. Just set the hairline indicator to your desired distance from the fence to the bit's center, attach it to the bit shank, and then slide the fence until it touches the gauge. To use it as a height gauge, set it to your bit height, place the foot flat on the table, and raise the bit until it touches the arm. Half-round notches allow you to align the gauge with the center of 1/4'' and 1/2'' shank router bits. Alternatively, you can use the 'depth' portion to measure to the cutter's edge instead of its middle.

• Precisely space router table fence from bit center: Perfect for dados and flutes
• Dual-purpose: Height gauge for router bits and blades
• Half-round notches align with 1/4'' and 1/2'' shank centers
• Wide foot rests on fence, offset for opening clearance
• Hairline indicator ensures precise, accurate measurements
• 12'' steel ruler with metric and imperial graduations
• Nylon-tipped knob secures gauge, preventing ruler damage