Master Lock M1 1-3/4" Wide Commercial Magnum Laminated Steel Padlock with Stainless Steel Body Cover, 1-1/2" Shackle padlocks or frame locks

or frame locks

The 55MB locks are available with brass shackles

plus a latch hole designated for the control lock

Ideal padlock for use at gyms

1/4in (6mm) diameter plastic shackle to help prevent electrocution and arc flashing and to prevent electrical current from shackle to key

Master Lock M1 1-3/4" Wide Commercial Magnum Laminated Steel Padlock with Stainless Steel Body Cover, 1-1/2" Shackle padlocks or frame locksThe Master Lock Commercial Magnum No. M1KALFSTS Laminated Steel Padlock with Stainless Steel Body Cover, Keyed Alike multiple locks open with the same key features a 1 3 4in (44mm) wide laminated steel body encased in a stainless steel body cover for maximum strength and weatherability. The 5 16in (8mm) diameter octagonal shackle is 1 1 2in (38mm) long and made of chrome plated boron carbide, 50% harder than hardened steel, offering maximum resistance