I know that solution is cheaper than this but I thought I'd mention this for comparative purposes.
A universal frame hook set with R, J, and T hooks

here:

https://www.expeditionexchange.com/recoverygear/ scroll down to Mac's Custom Tie-Downs Transit Cluster (TC-1) $20

or here:
http://www.cargoequipmentcorp.com/store/item.asp?ITEM_ID=351&DEPARTMENT_ID=65

called Cluster Hook RTJ at 14.95

for professional frame attachment in the industry price seems reasonable. looks more versatile than the large D-ring. Just my .02