Micro-Mark 14421 2-Sided Center Finder Ruler, 12 inch

Use this 12 inch stainless steel Center Finding Rule to quickly and accurately find the exact center of circles, squares and rectangles without tedious mathematical calculations.

12 Inch Center Finder Rule with 4 imperial scales and common bevel angles - perfect when you need to find center or equidistant from center.

12 Inch Center Finder Rule - Woodturning Tool Store

ENKAY 772 20 inch Ruler w/Levels

Steel Straight Edge Ruler

atmospheric visibility measurements - National Transportation Library

Model Structure Builder's Super Value Package

Every woodworker should own a few precision machinist rulers as they will improve the accuracy of their work. Traditionally, the most common graduation markings used by woodworkers are 4R, or 1/8ths and 1/16ths on one side and 1/32nds and 1/64ths on the reverse.

Benchmark Tools 106611 6 Flexible Woodworking Ruler Black Chrome Finish 1/8th and 1/16th Grads Hardened Stainless Steel

Remember when you had an offset gauge, ruler, and adjustable square all in one tool? The WEN Aluminum Marking Gauge provides a variety of helpful woodworking applications for users of all kinds. Unlock the center knob to freely slide the gauge back and forth. This allows you to manually take caliper-grade measurements with 0.002-inch precision. Vernier scale includes both metric and imperial markings, depending on the needs of the task at hand.

WEN ME251R 10 in. Aluminum Offset Marking Gauge and Layout Tool with Laser-etched Scale

Micrometric ruler - SmartMicroOptics

Micro-Mark Hobby Model Structure Builder's Super Value Package