Features: 1.Every product has a unique Manufacturing Part Number label on the inner package that proves it has been qualified,which include Part Number,Model Number and inspection date information;2.If you have any questions about the item,please provide us the Manufacturing Part Number for checking,your profits will be guaranteed.3.Plastic center caps for holding and securing wooden slats on the bed base.4.Suitable for 50mm width of wooden Spring batten and 7-9mm thickness of wooden batten.5.The distance of 2 plastic pins on the plastic caps are 34mm.6.Slat caps ideal for the replacement of any broken or missing slat capsNote:Please allow 1-2mm error because of manual measurements.Much thanks for your understanding.Specifications:Material:PlasticColor:BlackBrand name: BQLZRSize:5.2x1cm/2x0.4inch(LxT)Height:2.7cmWeight:280gPackage include:50 x Bed Caps Holders