DOP60-100 Push Pull Control Max. Push Load : 20 LB.. Max. Pull Load: 50 LB., suggested mounting: panel. A heavy-duty non-rotational locking control for a varirty of industrial uses. By turning T-knob 1/4 turn, locks securely against spring tension and vibratrion. Size: Conduit size: 1/4" Galv., Overall Length: 104", Innerwire Dia.: .080.