ISC Aluminum Swivel Snap Hook Tripple Auto Locking NEW and approved by the ISA TCC for competition use. Tensile: 5650 lbs. Length: 4.50″ Width: 3.00″ Gate opening: .866″ Lock Type: Tripple Auto * requires three actions to prepare to open gate and gate will automatically lock upon release. **Alway double check lock and gate closure before using.**