Check the listing for details. King Size Bed Slats Split Frame Plywood Platform Replacement Boards EXTRA Strong. Color: Black, Condition: New. Listed at 379.87 USD. Description This king bed platform will provide the support you need for most specialty sleep beds and several other types of mattresses. Use these under your box spring (directly on bedframe) or between your top mattress and box spring for a maximum support experience. They provide a firm foundation with the wide boards connected approximately 4"-5" apart and the Plywood is 3/4" thick and about 5 plys with rounded smooth edges. (you will receive two sets for the split king) Lay these directly on your bed frame, rails or existing slats and increase your firmness and support.They are held together with a strapping material to keep the platform in position. Please measure the width of each split side (should be the same) of your bed prior to purchasing your slats. Allow 1/8" play on each side of the split bed frame when measuring to allow a bit of wiggle room when placed. Approximately 80 inches long that should be sufficient for both King and California King beds. * Two Plywood Sets* 3/4" Multi-Layer Sheet Plywood* Strong Support * For Both Split King and Cal-King Beds* Shipping Included in Price* Use Directly on frame or Between Mattresses * Superior Strength If you don't see the size you need for your bed, please contact us and we will be happy to see if we can meet your specific request. Cat not included! All beds shown are for samples that these platforms can be used on and are NOT included. You will receive platform slats only. **DISCLAIMER: We are not affiliated with any bed manufacturers** We make these to help support back issues where firmness is priority and sleep is essential. If your mattress "dips" or "sags" these can be used between box and mattress or under the box directly on the bedframe. Very good support is gained when used directly under top mattress stopping "sags" going down to box spring. We have sold several of these and they have been well received and have worked for many customers!They lay directly on your bed frame or between mattresses and are held together with a strapping material to keep the platform in position. If you don't see the size you need for your bed, please contact us and we will be happy to see if we can meet your specific request. Approximately 80 inches longItem is brand new, in the manufacturer's box.It is not seconds, returns or overstock of any kind.