Jet 120251-1/2 Ton Sbt Series Manual Trolley-Heavy Duty Power Tools Extra tight radius on curved

Extra tight radius on curved end for increased leverage

and aviation

Since this package comes with two of them

Product Manual

Couplers have 4-ball "positive locking" mechanism

Jet 120251-1/2 Ton Sbt Series Manual Trolley-Heavy Duty Power Tools Extra tight radius on curvedLoad is moved by pulling on hoist load chain in direction of travel , Double sealed ball bearings for long life , Specially hardened steel wheels meet ansi b30. 11 specifications (certificate included) , Specially designed integrated drop stops bumpers take the load in the event of wheel failure and prevent wheels from contacting other trolleys on the track , Adjustable to fit various sizes of flanges and beams