Square tape clamp are made from brass or gunmetal. These are used for forming straight through cross and tee joint in network of tapes. The lids are secured by four screw.
| Tape Size | Material |
| 25 x 3 | Gun Metal |
| 25 x 6 | Gun Metal |
| 40 x 3 | Gun Metal |
| 50 x 6 | Gun Metal |