Shinwa Machinist Ruler 6" 4R Graduation 3101A Hardened Stainless Steel
SHINWA 6" Super Accurate Hardened Stainless Steel Machinist RulerFeatures:Shinwa model # 3101ASuper accurate 6"Hardened stainless steelOne side has graduations in 1/8" and 1/16". The other side has graduations in 32" and 64".Made in Japan