12” Model RR Reference Rule

Pouch
12″ Deluxe Model Reference Ruler

Constructed of 12.5in – 31.7cm
long non-glare gold anodized aluminum with black calibrations in N, HO,
O, and G (1/24) scales, 64th and mm along with a guide for converting
decimal equivalents to drill sizes for small screws. The black
photo-anodized calibrations will not fade or chip when cleaned with
solvents.
12in – 30.5cm