NON-SLIP & Premium Material: s hooks are made of thick metal steel with vinyl coated, which is rust-resistant, and non-slip, you 't need to worry these hooks would scratch your finger or clothes,purse,scarf, jeans etc among using. Size & Heavy Duty: these solid S hooks the small side opening is 1.2 inch, the side opening is 2.5 inch(could fit any standard closet rod); Two size opening could different needs. The diameter of the metal wire is 7mm. Very solid and could bear heavy items. pots,pans,spatulas,cups,mugs and other kitchen utensil on your pot rack, rails or shelves, make your cooking more efficient and easily. You could also use these non-slip closet hooks to your closet by hanging clothes, jeans, scarves, hats, belts, jewelry,purse and more; also useful to hang toiletries, towels and robes in the bathroom, and organize tools in the garage, and hang plants in your garden. PRACTICAL DESIGN: These S hooks are a simple and friendly solution to save the space, it doesn't need to drill on your beautiful house and wall, you can hang on racks, , shelves,rod and place in closet,kitchen,garage,bathroom,garden,indoor and outdoor. Package includes 12 pack black utility hooks, Rubber coated with rubber caps,, non-slip,strong and multi-funtional. Colour: black Material: high manganese steel + PVC Size: 15 x 6.4cm Package Contents: 12 x Heavy Duty S Hooks Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.