| Name | Marke | LD | ND | Familie | ||
|---|---|---|---|---|---|---|
| Up Roll | CT (Climbing Technology) | — | — | Rollen | ||
| Up Lock | CT (Climbing Technology) | — | — | Rollen | ||
| Uniwheel | Uniline | — | — | Rollen | ||
| Ultralink S | ISC | — | — | Rollen | ||
| Ultralink L | ISC | — | — | Rollen | ||
| Twin | Petzl | — | — | Rollen | ||
| Turn | Edelrid | — | — | Rollen | ||
| Trilock W Pulley | LACD | — | — | Rollen | ||
| Trac | Petzl | — | — | Rollen | ||
| Tandem Speed | Petzl | — | — | Rollen | ||
| Tandem Pulley Plus | LACD | — | — | Rollen | ||
| Tandem Pulley | LACD | — | — | Rollen | ||
| Tandem Cable | Petzl | — | — | Rollen | ||
| Tandem | Petzl | — | — | Rollen | ||
| Spin S1 open | Petzl | — | — | Rollen | ||
| Spin L2 | Petzl | — | — | Rollen | ||
| Spin L1 | Petzl | — | — | Rollen | ||
| Single Sheave Pulley | DMM | — | — | Rollen | ||
| Single Pulley Mobile small | LACD | — | — | Rollen | ||
| Run Down | Edelrid | — | — | Rollen |