[ Material]These bed slat holders make of plastic, wear- black,sturdy and ,suitable for all types of bed bases,ensures the safety and strong support of your bed strip. [Size] Width 54mm x height 9 mm (inside dimension). The distance of 2 plastic pins on the plastic caps are 34.5mm. [Easy to Use]If the size is right, no additional tools are required to install,very easy to install. You can use centre caps and end caps fit to the side and centre support rails of your bedframe using two prongs that you fix to your bedframe using pre drilled holes. These bed slat holders hold your slats in place on your frame. [Please Select The Type You Need]These bed slat holders are suitable to fit wooden slats between 7 mm 9 mm in thickness. Suitable to fit sprung wooden slats between 53 mm 54 mm wide. [Wide Application]These plastic caps are ideal repair and replacement parts for: Metal Bed, Leather Bed, Wooden Bed, Day Bed, Bunk Bed etc.These plastic caps are easy to replace and perfectly fixes the broken Flat noodles support. Color: Black Material: plastic Package Contents: 20pcs * End Caps 20pcs * Centre Caps Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.