PREMIUM MATERIAL: The box clasp is made of premium stainless steel. It is strong, sturdy, corrosion resistant and not easily broken or deformed. Superior quality means safety. Stainless steel clasps are smooth and polished with no sharp edges. Use our products with confidence. Spring Structure: The heavy-duty spring kit inside the lever closure is easy to close and open. You can use the tightening straps which can be used in areas where quick opening and closing is needed to make your items more secure. Widely Used: Silver box clasp can be used for leather, metal , wooden boxes, suitcases, trunks, toolboxes, drawers, chests, ideal hardware for home, office, store, etc Package content: 4 x ratchet clasps and 16 screws. A valuable set with sufficient quantity is available for you to meet all your different needs at household or neighbor. The knee brace is backed by our 36 month warranty. If you are not satisfied with our knee brace, our service teams are happy to help.