They remain locked until manually disengaged by pressing a lever before opening. The safety lock prevents the clamp from accidentally opening when the handle is bumped. They are available in four sizes, from 700 to 7,500-lb holding capacity. They all have threaded U-bolts for adjustability and a matching latch plate. Made of durable high-grade steel (also available in stainless steel). All of the company's toggle clamps have a comfortable handle grip.
Carr Lane Mfg. Co., 4200 Carr Lane Court, St. Louis, MO 63119, (314) 647-6200, carrlane.com