MASTER LOCK Pro-Series
Master Lock’s ProSeries® Weather Tough® laminated steel padlock, designed for professional/industrial applications, features a solid steel body resistant to physical attack, as well as a hardened boron steel shackle with double ball bearing to provide superior resistance to cutting and pulling. The exclusive thermoplastic coating protects this padlock against water, ice and dirt. The high security lock with spool pin is practically impossible to lock.