Main Features of the Petzl OK Oval Screwgate Karabiner

• Oval shaped screwgate for use with pulleys and belay devices
• Oval shape works great with pulleys
• Has red band failsafe around gate which can only be seen if the gate has not been tightened
• Keylock nose so no snagging
• Petzl codes: M33 SL - Silver, M33 SLN - Black
• Weight: 75g
• Certifications: CE EN 362

Most pulleys require an oval shaped karabiner to work properly. The OK is designed with just that in mind. It's oval shape also works well with belay devices as it doesn't matter which end you use!