HIGH CHAIR TRAY HARDWARE for Sliding Tray.This style of hardware began to appear on high chairs in the 1940's.Best for use with our grooved high chair trays (SKU: W3-5226) -- Or similar style trays only.Arm Piece: 5-7/8" Long x 5/8" Wide x 7/8" DeepTray Piece: 3-5/16" Long x 1" Wide x 15/16" DeepComes as a set for attaching one high chair tray. Long piece attaches to outside of arm. Short piece attaches to the underside of the tray. Spring loaded clamp allows the position of the tray to be adjusted then locked into place.Sold as a kit of four Sections. (Two Arm Pieces Left and Right --- & --- Two Tray Pieces Left and Right)**Does NOT come with screws.  Since these are made to work on a lot of different trays, we are never for sure what size our customers need, so we lowered the price and took the screws out of the package.  We sell them separate, just pick out the sizes you need from our Ebay store and add them to your order -- Or you can use any type screws from your local hardware store to mount them to your specified tray thickness) S-5213 (FK-HC12)****Disclaimer: Because we have to now a days :)    All of our high chair parts are just for show as they are not regulated or tested at all for any kind of safety standards that are current. Even though we get a lot of customers that still use them for every day use, we are not liable if you or your child gets hurt or injured from any of our products that fail safety wise. Please use at your own risk.  :)