4" diameter Nylatron GSM sheave with sealed precision ball bearings grooved for 3/16" cable. Heavy-duty steel housing clamps to underside of track and provides constant cable tension on large motorized tracks.
4" diameter Nylatron GSM sheave with sealed precision ball bearings grooved for 3/16" cable. Heavy-duty steel housing clamps to underside of track and provides constant cable tension on large motorized tracks.