This is a complete High chair Kit. The All of the pieces are also sold separately (see individual listings for me details on each one) With this combined set up, it will save you some money. Kit included one High Chair Tray, One set of the Hardware & one High Chair Strap. See details below HIGH CHAIR TRAY HARDWARE for Sliding Tray. Arm Piece: 5-7/8" Long x 5/8" Wide x 7/8" Deep Tray Piece: 3-5/16" Long x 1" Wide x 15/16" Deep Comes 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 & Right - & - Two Tray Pieces Left & Right) Does NOT come with screws. We sell them separate, just pick out the sizes you need & 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) GROOVED RED OAK HIGH CHAIR TRAY Overall Sizes: 19-1/8" Wide x 10-3/4"deep (down the center) x 1" Thick HIGH CHAIR SAFETY STRAP Natural Leather (1-ply) 13" Long x 5/8" Wide 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. :) FK-HCKIT High Chair Complete Kit - Tray, Hardware & Strap Antique Vintage Baby Toddler Infant Seat Wood Leather Steel