• Set of 6 M8 T-slot bolts and nuts for roof box fixing. • Thread length of 30 mm and head of 20 x 20 x 4 mm compatible with standard guides. • Made of high quality stainless steel resistant to rust and corrosion. • Simple and manual installation without the need for additional tools. • Versatile use on roof bars, luggage racks, bike racks and ski equipment. • Flower-shaped nut design for a secure grip and prevention of damage or scratches.