PSL-CBNT - 

"No Tool" Circuit Breaker Lockout Devices
Featuring a rugged nylon construction for strength and durability, it's compact and lightweight design can be easily attached with no modifications to the panel or circuit breaker being disabled. With only a few easy steps, installation of the lockout device is as simple as turning the circuit breaker switch to the "off" position, placing the lockout device over the switch, tightening the device's set screw with a standard screwdriver, and securing and identifying the device with a padlock and tag. The shroud over the device's set screw prevents tampering with the device during lockout procedures.

Individual circuit breaker can be locked in the off position quickly and easily without any tools

Compact, universal design fits a wide range of single, double and triple handle circuit breakers

Accommodates breaker handle sizes ranging from .30" - .60" (7.62mm x 15.24mm) tall and .16" - .35" (4.06mm x 8.89mm) thick

Easily attached with no modifications to panel or circuit breaker and does not require holes in circuit breaker handle

Constructed of rugged nylon and stainless steel providing strength, durability, added security and corrosion resistance