Chrome Lobster Claw Trigger Snap Hook Swivel Eye Pet Leash Strap 1-1/2" x 3/8" by Pro Tool The classic lobster claw snap hook with spring-loaded automatic gate Excellent for quick connect/disconnect with pet leashes, ropes, small gates and dozens of other uses Premium material - non-rust zinc alloy with mirror chrome finish; made in Taiwan Permanent internal steel spring securely locks gate closed, easy thumb-lever to open Full swivel eye helps prevent tangles; 3/8-inch ID hook, 3/16-inch gate opening, 3/16-inch eye, length overall 1-1/2-inches