Secure cargo with this plate-mounted D-ring

This super heavy-duty D-ring tie down is pre-welded to a 6"L x 6"W x 1/4"thick steel plate that bolts to any flat surface. This D-ring tie down includes two 6"L x 1"W x 1/4"thick washer plates. 10,000-lb. load capacity. Hardware is included: 3/8" x 2-1/4" bolts and nuts. Measures 4-1/4"L x 4-1/4"W.