Renfroe Model LJ is a vertical lifting clamp capable of turning a plate from horizontal to vertical and back through the same ninety-degree arc.
The Model LJ is a vertical lifting clamp capable of turning a plate from horizontal to vertical and back through the same ninety-degree arc. It is small and easy to handle in capacities through .
3 tons.
The Model LJ incorporates a “Lock Closed” feature, which facilitates attaching the clamp to the plate.

| Rated Capacity ( Tons ) | Plate Thickness A ( in. ) | B ( in. ) | C ( in. ) | MAX. D ( in. ) | E ( in. ) | F ( in. ) | G ( in. ) | H ( in. ) | J ( in. ) | K ( in. ) | Weight ( lbs. ) |
| 1/2 | 0-3⁄4 | 2 5⁄8 | 6 5⁄8 | 10 1⁄4 | 2 1⁄4 | 5 | 2 3⁄8 | 1 7⁄8 | 1⁄2 | 5 | 9 |
| 1 | 0-3⁄4 | 3 3⁄16 | 8 1⁄4 | 13 7⁄16 | 2 5⁄8 | 5 7⁄8 | 2 7⁄8 | 2 1⁄16 | 5⁄8 | 6 7⁄16 | 15 |
| 2 | 0-1 | 3 5⁄8 | 9 | 15 13⁄16 | 3 5⁄8 | 7 1⁄4 | 3 1⁄4 | 2 7⁄8 | 3⁄4 | 7 5⁄8 | 26 |
| 3 | 0-1 1⁄4 | 4 1⁄4 | 10 3⁄4 | 18 | 3 5⁄8 | 8 3⁄16 | 3 5⁄8 | 3 | 3⁄4 | 8 3⁄8 | 34 |