• Steel blade with permanently stamped graduations 1/8, 1/16 & 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 won"t fall out • Durable acrylic level vial • chip-resistant e-coating finish • CNC machined square head for greater accuracy • Reversible head with lock bolt and steel screw • Hardened screw-in scr iber won"t fall out • Durable acrylic level vial. • Blade Lgth In=16