Lock-bodies are solid aluminum
Cylinders are solid brass
Hardened steel shackles for 30-60mm
Extra long-time for shackle-electroplating, qualified in Salt-Spray-Testing 48 / 72 hours
Double-locking bolts for 30-60mm
All internal pins are brass
All internal springs are stainless-steel & brass
with 2 pcs brass keys
coated with Plastic Jackets
