National Hardware N104-471 Box Rail Bracket, 4-25/32 in L x 1-3/4 in W x 8-1/16 in H Dimensions, 300 lb, Steel belts (2) 19 mm deep socket

(2) 19 mm deep socket (sku 752

Half the weight of steel AC

Gives mobility to heavy loads on smooth hard surface and finished concrete floors for the protection of both loads and floors

(2) 1/4 in deep socket (sku 751

Excellent for rusty steel because of the strong arc force

National Hardware N104-471 Box Rail Bracket, 4-25/32 in L x 1-3/4 in W x 8-1/16 in H Dimensions, 300 lb, Steel belts (2) 19 mm deep socketNational Hardware Box Rail Bracket, Double, 300 lb Weight, Dimensions: 4 25 32 in L x 1 3 4 in W x 8 1 16 in H, Steel, Galvanized, Suitable for: #5114, #5116 Box Rail, Includes: Lag Bolt, (2) 3 8 x 2 in, Lag Screws