- S3476/S3477 1/4-Turn Ball Valve Lockout
- S3476 fits valves between 1/4" (6.35mm) to 1" (25mm) diameter
- S3477 fits valves between 1-1/4" (31mm) to 3" (76mm)
- Fits manual, quarter turn ball valve handles to protect against accidental opening
- Easy to use one piece design locks valve in OFF position
- Two rows of lockout points allow for a secure fit