The stainless steel zipper clamp is 4 cm (1.57 in)/1.6 cm (0.63 in) long, 6.4 cm (2.52 in) high, and has a maximum slot width of 0.4 cm (0.16 in). Easy to use: To use a zipper clamp, first insert the zipper backwards into the slot of the clamp.
eBay