Heavy duty, yellow passivated expansion anchor with 4-way expansion shield for secure fixing. Torque-controlled for installation of racking, hand rails, barriers, storage systems, machinery and numerous other applications. For fixing into masonry and concrete, indoors and out. Supplied with shield, washer and bolt. Size guide: eg M8 - 35 x 90mm: (M8 = bolt size; 35mm = maximum material thickness the bolt will fasten; 90mm = length of fixing) .