Polished Nickel Finish Round Swivel Lobster Claw Trigger Snap Available in 4 Different Sizes Made from Zinc die-cast construction 4 different sizes to choose from: Inside width of loops 3/8 inch, 1/2 inch, 5/8 inch, & 3/4 inch Full 360 degree swivel prevents tangling of line Easy spring loaded thumb lever to open & close clasp for quick connect & disconnect Great for leashes, horse reins, small diameter chains, bag straps, flag poles, suit cases, and more