Two Clamps per Package. Holds objects from 2 1/2″ to 9 1/2″ diameter. With wide diameter range can accommodate odd shape objects i.e. square , rectangular. Each clamp supports a safe working load of 50lbs. Mounts with three 6mm bolts. Mounting area 6″ x 7/8″ Includes mounting hardware compatible with Rough Country Molle panel pattern and other Military panel patterns.