Gate Valve Lockout 8 

LOTO Model PS-LOTO-GVL-8
Material Strong Polyurethane Plastic
Inner diameter (mm) 257
Inner depth (mm) 50
Outside diameter (mm) 267
Outside height (mm) 63
Ideal for

 Valve covers

Fits on Handle Wheel of diameter range from 165 to 254mm ( 6.5"- 10" inches)