x2 Dacromet 45mm x 13mm Trailer Caravan Parabolic 600kg Springs + U Bolt & Hanger Kit. Choice of U Bolt Size (Axle Thickness):50MM SQUARE Permanent ventilation through the vented

Permanent ventilation through the vented door

2X HYDRAULIC BRAKE MOUNTS TO SUIT AXLE THICKNESS

100MM X 16MM

1X air release valve 210PSI

x2 Dacromet 45mm x 13mm Trailer Caravan Parabolic 600kg Springs + U Bolt & Hanger Kit. Choice of U Bolt Size (Axle Thickness):50MM SQUARE Permanent ventilation through the ventedDACROMET FINISH 13MM THICK 45MM WIDE PARABOLIC SPRINGS WITH HANGER AND U BOLT KIT 600KG RATED PER PAIR Parabolic trailer springs feature a tapered, single or multi leaf design that is thicker in the center and thinner at the ends. They provide a progressive spring rate that ensures a smooth, quiet ride when unloaded, and stiffens as cargo weight increases 2X 45MM WIDE GALVANISED DACROMET FINISH PARABOLIC SPRINGS (SPRINGS ARE SHOT PEENED FOR EXTRA