Ground nstruction mats 6’X3′ 60 T load capacity st Rubber mat on top and bottom provides durable non-skid surfaces. 1 keyed drawer 12-1/2″ x 18-1/2″ x 4-3/4″ with 2 keys included, 100 lbs. capacity. One unit mes with 5 x 1-1/2″ polyurethane casters while the other mes with 8 x 2″ pneumatic casters. 6’X3′ yellow []