• Permanent protective cover to increase the safety of power isolation.
• Strong transparent ABS body.
• Prohibits access to a switch or controls (using a safety padlock).
• Used to lock-out push button and selector switches from 22.5mm to 30.5mm in diameter.
• Accommodates push buttons up to 40mm diameter and 44mm tall.

These are not lock-outs but instead are covers. OSHA allows their use for tasks that are routine, repetitive, and integral to the production process.