Product Description 53-55mm Plastic Bed Slat Caps Black Bed Slat Holders for Single Double King Size Bed Features: 1: Made of high density polyethylene,sturdy and durable,not easily damaged. 2: Suitable for single, double, king size bed. 3: Suitable for metal bed, leather bed,wooden bed ect. 4: Fit for 7mm-9mm thick and 53mm-55mm wide bed slat. 5: Design with two rubber pins,fit into pre-drilled holes on bed frame side rail and center rail. Specifications: Name: Bed Slat Caps Material: Plastic Color: Black Size: 57 x 54 x 10 mm Package Including: 24 pcs x bed slat end caps 12 pcs x bed slat centre caps holders Application: These bed side slat bracket cover and bed slat centre caps holder are suitable for single, double, king size bed,no matter metal bed, leather bed,wooden bed or day bed ect,these plastic caps are good repair and replacement parts Easy To Use: Every bed slat holder come with two rubber pins,the distance between two plastic nails is 38mm,fit for approximately 36mm-38mm,after we put the caps we can use pre-drilled holes to secure to the bed frame hold it firmly in place Note: 1: Please alow the measurement error 1-3mm. 2: Due to the light and screen difference,the item’s color may be slightly different from the pictures.