- Auto-Lock blade assembly
- Stainless steel blade with permanently stamped graduations 1/8 in., 1/16 in., 1/32 in.
- 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 vial