Q: What is a marking gauge used for?
It scores a line parallel to an edge, transferring and marking out measurements for joinery and layout work with speed and precision.
15N1101 - Replica Micro-Adjust Wheel Marking Gauge

Closely modelled on an antique tool in the Lee Valley collection, this marking gauge offers a reliable way to transfer and mark out measurements with both speed and precision. The original was made by the E.P. Johnson Rule Co., likely sometime around the turn of the 20th century, although its exact age is hard to ascertain.
It has a two-stage adjustment mechanism: a “traveller” that anchors the head assembly to the shaft, and a second fine-adjust knob that moves the head relative to the traveller. A full turn of the adjuster moves the head 0.024" (less than 1/32").
The hardened steel wheel cutter cuts wood fibers rather than tearing them, leaving a clearly defined line, even on cross grain. The wheel, which retracts into the gauge face for safe storage, is bevelled on only one side. This helps pull the 1 3/4" diameter gauge face against your work to maintain accuracy. Overall shaft length is a generous 7 7/8".
A clever design that works well. Made in Canada from investment-cast and machined stainless steel.
It scores a line parallel to an edge, transferring and marking out measurements for joinery and layout work with speed and precision.
You register the fence against the workpiece's edge and pull or push the tool along the wood so the wheel cutter scores a clean line into the fibers.
A full turn of the fine-adjust knob moves the head just 0.024", less than 1/32", for precise repeat settings.
It's made in Canada from investment-cast and machined stainless steel.
It's closely modelled on an antique tool in the Lee Valley collection, likely made by the E.P. Johnson Rule Co. around the turn of the 20th century.
| Materials | Investment-cast and machined stainless steel |
| Dimensions | 7 7/8" shaft length; 1 3/4" dia. gauge face |
| Includes | Marking gauge |
| Package Quantity | 1 item |
| Country of Origin | Canada |
| Warranty | Lee Valley Satisfaction Guarantee |

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Lee Valley Replica Micro-Adjust Wheel Marking Gauge
Closely modelled on an antique tool in the Lee Valley collection, this marking gauge offers a reliable way to transfer and mark out measurements with both speed and precision. The original was made by the E.P. Johnson Rule Co., likely sometime around the turn of the 20th century, although its exact age is hard to ascertain.
It has a two-stage adjustment mechanism: a “traveller” that anchors the head assembly to the shaft, and a second fine-adjust knob that moves the head relative to the traveller. A full turn of the adjuster moves the head 0.024" (less than 1/32").
The hardened steel wheel cutter cuts wood fibers rather than tearing them, leaving a clearly defined line, even on cross grain. The wheel, which retracts into the gauge face for safe storage, is bevelled on only one side. This helps pull the 1 3/4" diameter gauge face against your work to maintain accuracy. Overall shaft length is a generous 7 7/8".
A clever design that works well. Made in Canada from investment-cast and machined stainless steel.
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