3D Tray is designed to work with the Dillon XL 650 & RL 750, RL 550 B & C, RL 450 & Square deal B presses. High capacity tray with sloped internal floor has your components always at the right position to grab. Super durable construction with a side cubby to keep track of your case gauge, locator pins and various small press parts. Tray measures 7" wide, 6-1/2" deep and 1-7/8" tall These are for use with our InLine Fab mounts both Dedicated or Quick Change. Also fits any factory Dillon Precision 550, 650/750 or 1050, 1100 & Square Deal B "Strong Mounts" Bracket needed for the Dillon 650\750 is right (Here) Dillon RL 550 B & C do not require a bracket, the dish mounting needs are part of the InLine Fab top plate itself. Square deal mounting bracket (Here) Also works with our factory Dillon articulating arm (Here) Includes mounting hardware.