Amazon.com: CGOLDENWALL High accuracy digital radius gauge Electronic Inside and Outside Radius Gage with 10mm /20mm /30mm /60mm/100mm changeable measuring jaw Black 0.2" - 27.5"/5 mm - 700 mm : Industrial & Scientific
Amazon.com: LGB Track Medium Radius Curve G Scale : Arts, Crafts & Sewing
Authentic Easy Wood Tools Ci1-R2 Square Carbide Replacement Cutter with 2" Radius for Full and Pro Size Roughers Lathe Woodturning Tools Ci1-R2 - - Amazon.com
Set of 3 each Patented Easy Wood Tools Ci2-R2-NR Square Negatie Rake Replacement Carbide Cutters with 2 Inch Radius Designed for Easy Start, Mini and Mid Roughers Model #2600NR - - Amazon.com
uxcell R2 Cutting Radius Straight Shank 2 Flute Ball Nose End 76mm Long - - Amazon.com