Spec Lift Dolly Strap prostar Spec lift Dolly strap Prostar wheelframe strap 50mm width Basket ladder style Strap. Strap has two S hooks to hook over spectacle bar. Used to secure vehicle in the Spectacle frame whilst towing. Measurements: Cross Bars 37cm, Side Lengths from hook bearing point to centre delta 71cm, Tail length approx 2mt Breaking Strength 1800kg Rated Assembly Strength 900kg