Heavy Duty Type Multi-Directional Dual Roller Track

Heavy duty type multi-directional dual roller track 85 roller track roller track specification: u channel: steel sheet (galvanized) rollers: diameter 49mm (white) fitting: jy series connectors how to calculate the length of roller track the standard gradient is 6% (~3.5 ), so to measure a track in relation to its overall length, the calculation is follows: the length of the roller track equivalent to the overall length-65mm margin: the maximum margin must be less than 5mm divided between the two ends.