Feature:1. Flame Retardant ABS Material: This screwdriver organizer is made of flame retardant ABS material, with strong carrying capacity, heat and drop resistance, sturdy and durable, and the surface is made of frosted treatment process, beautiful and durable.2. Silicone Non Slip Bottom Foot Pad: This screwdriver storage rack features silicone non slip foot pads on the bottom to prevent scratches on your desktop and for a more stable placement.3. Detachable Combination Design: This screw driver organizer features a 4 component detachable combination design that keeps your hand tools organized and easy to find, organizing your tools and workspace in an orderly and simple way.4. 39 Holes Design: This RC repair work tool holder features a 39 holes design to store more screwdriver kits, pliers, tweezers, wire breakers or other hand tools.5. Wide Application: This RC tools kit organizer holds screws and small parts from repair jobs, which is perfect for crafters, designers, advanced RC model enthusiasts, and machinists.Specification:Item Type: Combination Screwdriver Storage Rack Model: BST-R16AMaterial: Flame Retardant ABSSize: Hole Diameter: Approx. 5.5 x 9mm / 0.22 x 0.35in, Hole Depth: Approx. 30mm / 1.18in, Quantity: 6PCSHole Diameter: Approx. 5.5mm / 0.22in, Hole Depth: Approx. 30mm / 1.18in, Quantity: 6PCSHole Diameter: Approx. 5.5mm / 0.22in, Hole Depth: Approx. 56mm / 2.2in, Quantity: 12PCSHole Diameter: Approx. 6.5mm / 0.26in, Hole Depth: Approx. 58mm / 2.28in, Quantity: 8PCSHole Diameter: Approx. 12mm / 0.47in, Hole Depth: Approx. 30mm / 1.18in, Quantity: 4PCSHole Diameter: Approx. 1.5mm / 0.06in, Hole Depth: Approx. 30mm / 1.18in, Quantity: 3PCS.Package List:2 x 16 Holes Storage Racks1 x 7 Holes Storage Rack 1 x Base1 x Foot Pad