Solid galvanized steel u-bolts with nuts and lock washers. Covers most U-Bolt applications. One per card.
| Brand | Seachoice |
| Type | RD , RD |
| A | 1-3/4" , 1-3/4" |
| B | 4-3/8" , 4-3/8" |
| C | 1-3/4" , 1-3/4" |
| For | Axle U-Bolt Plates (Round Axles) , Axle U-Bolt Plates (Round Axles) |
| Thread | 3/8"-16 , 3/8"-16 |