Specifications: Shelf supports length: 17mm/ 0.67inch, Shelf supports width: 13mm/0.5 inch, Shelf pegs pins diameter: 6mm/0.24 inch, Shelf pegs pins length: 10mm/0.39 inch, for all cabinets with 6 mm and 5 mm holes. Installation: Please confirm the original hole size before purchase, Avoid incompatibility with original hole position and nail length, Unable to use product, Re-punched installation according to product size, In order to make dowel pins a tight fit, your hole should be equal to or slightly smaller than the diameter shown (less than or equal to 5 mm and 6 mm) Shelf Support : Good quality Metal polished nickel, surface is smooth without burrs, hard and durable for long time use, Cabinet Bracket Added Safety, Small hole allows the use of a screw to permanently secure the shelf. Wide Application: Shelf support for cabinets are very easy to install by hand, you can use them for cabinet, bookshelf, display cabinet, furniture, wardrobe, closet, cupboard, bookcase, pantry shelving, meet your daily needs. SATISFACTION GUARANTEE: Our every product is carefully selected and checked.