I build two standard sizes, 28" x 20" and 24" x 18", or will custom build one to your measurements. The tray and legs are 100% aluminum construction, the slides are zinc plated steel w stainless ball bearings. They have a 500lb capacity. A tethered locking pin is included. I ship Fed Ex and normal shipping is around $35-$45. Please do a google search or youtube for referrals. Call Kenny @ 561-358-4351 and THANKS for looking!