4 U bolts Bolt Brackets plate steps ladder van roof hook 120x90x10 mm UBS-120B
All bolts are M10 which is 10mm thick 1cm. High quality steel multi-purpose U Square Bolts with Plate 120x90x10mm. Bolts for motors on vehicles and boats. UPDATED 13 JAN 2021. ROUND U BOLTS WIDTH MM HEIGHT/LEGS THICKNESS WIDTH HEIGHT THICK M10.