Solid galvanized steel u-bolts with nuts and lock washers. Covers most U-Bolt applications. One per card.
| Brand | Seachoice |
| Type | RD , RD |
| A | 1-3/8" , 1-3/8" |
| B | 4-5/16" , 4-5/16" |
| C | 1-3/4" , 1-3/4" |
| For | Pipe Bunks 2", 3", 4" & 5" Frames , Pipe Bunks 2", 3", 4" & 5" Frames |
| Thread | 3/8"-16 , 3/8"-16 |