Pony jorgensen, 12″, bar clamp/spreader, medium duty, ez hold, bar clamp allows rapid & easy clamping, can be converted to a spreader clamp, contoured comfort grip & quick release lever, exclusive feature lets you join two clamps together to create a clamp with double the opening capacity of a single clamp, deep reach pads help protect work, 12″ open capacity, 18-1/2″ spread capacity, 3-1/3″ throat depth, 300 lb clamp force.