The Brady modular universal lockout removes the need for different types and sizes of lockout devices as it can do it all, you can tailor it to meet your specific requirement. Available in two sizes: Base Clamp Unit - Small Capacities: max. valve handle width: 19mm; max. handle thickness: 25mm. Accepts padlocks: shackle clearance 20mm, shackle diameter 9mm. Base Clamp Unit - Large Colour: red. Capacities: max. valve handle width: 41mm; max. handle thickness: 31.75mm. min. shackle clearance 20mm, max. shackle diameter 9mm. Cable attachment for use with small & large base clamp units. Cable attachment with 2.44m sheathed metal cable. Cable diameter 3.25mm. Accepts padlocks: shackle clearance 20mm, shackle diameter 9mm.