The 310 wall bracket is designed for use with the 506/507 backboard & sets to give a 30cm projection from the wall. Compatible with 506, 507, 508 & 509 systems. Solid steel construction, flat packed, easy to assemble, not supplied with wall mounting bolts. Approved by England Basketball & Basketball Scotl&. Size of box: 36 x 56 x 7cm. Weight: 5kg.