125 pcs Shelf Support Pins - 5 mm in diameter, 18 mm (0.71") in length. Steel Material - Made of solid steel with a durable nickel-plated finish. Simple Installation - Install without tools; easy and practical to use. Application - Fits 5 mm holes in cabinets, entertainment centers, bookshelves, and similar furniture. Fit Guide - For proper fit, the hole diameter should be equal to or slightly smaller than 5 mm. Specifications: Color: Silver Length of Shelf Support Pins: 18 mm Diameter of Shelf Support Pins: 5 mm Material: Solid steel with nickel-plated surface Quantity: 125 pcs Use: Suitable for cabinet shelves with 5 mm diameter holes. Instructions: Step 1: Drill holes using a 5 mm drill bit. Step 2: Insert the shelf pin into the hole. Step 3: If the hole is slightly larger, wrap the pin with thin tape for a tighter fit. Step 4: Place the shelf on the installed pins. Package Includes: 125 x Shelf Support Pins