The #842. Use this compass to scribe and draw circles. This precision Pencil compass has a spring tension adjustment for marking up to 8" diameters. The scribe guide is for edge marking. This tool is for use with pencil (included) or slim ballpoint pen.
"GENERAL TOOLS" PRECISION PENCIL COMPASS
Carpenter Quality Precision Pencil Compass
Made Of Long Lasting Die Cast
Rust Resistant Metal
Spring Tension Adjustment For Marking Up To 8" Diameters