CHP-103 is a set of High Chair Tray Hardware for a wooden high chair tray. This hardware allows the high chair tray to slide off and on with ease. Easy to install, each set contains enough for a complete replacement of both the left and right sides of the chair. The arm pieces are 5-7/8"long by 5/8" wide by 7/8"deep. The tray pieces are 3-5/16"long by 1" wide by 15/16"deep. This style of hardware began to appear on high chairs in the 1940's. Best for use with our CHP-101 and CHP-102 Grooved Trays or similar styles only. 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. Antique Hardware & More does not in any way imply that this item complies with current child safety standards. Please note that while this item comes with mounting screws, that may not be a suitable length for all trays. It is important to measure the thickness of your tray before using the included screws to ensure that they are not too long.