Gunnebo 1/2" Close/Open Pins for MIGGunnebo GrabiQ 1 2" Close Open Pin for MIG Shortener Grade 100 The Gunnebo 1 2" Close Open Pin is a rugged and versatile accessory for use with the Gunnebo 1 2" MIG Shortener. Designed for critical lifting operations, this pin supports both open and closed configurations, allowing riggers to adapt their setup quickly and securely. Whether youre lifting from a crane, adjusting sling length, or managing heavy loads, this pin ensures your chain shortener