XP Quad Roller Assembly - Gullwing 590mm Aakron Xpress

Boat trailer quad assembly (One Set = Left and Right Quad) Includes:4 x 590mm wobble roller arms (with rollers), 5mm plate, 25mm gullwing shaft, M16 bolt hole2 x 400mm rocking arm carrier (50x50mm wide, 16mm bolt hole, M16 thread for wobble arms)2 x M16 Bolt6 x M16 Nuts & Washers Ideally for 5.5m boats or under. The wobble roller plate is on 5mm think. Got a big boat, please see the other quad sets No mounting bracket included - see rear mount Assembly maybe required