levels
johnson level & tool 406em inch & metric combo square
steel blade with permanently stamped graduations 12 in 06 in 03 in mm heavy duty cast zinc head with black chip resistant e coating finish cnc machined square head for greater accuracy reversible head with lock bolt and steel screw hardened screw in scriber wont fall out durable acrylic level vial features cast zinc head inchmetric size 6 in item weight 27 lbs sku orgl15909