Key turns 90° clockwise allowing spring-loaded plunger to be depressed for striking action. Plunger returns to starting position when pressure is released. Key is removable in locked and unlocked position. Regularly furnished with a 3/4-24 mounting nut. Standard replacement for Contico, Delta Truck Body toolboxes, and Hudson GDCC3088. Package includes 2 locks keyed alike and 2 keys.