The 311 bracket is designed for use with the 150, 160 and 170 series backboards and gives a 60cm projection from the wall

Heavy duty 24'' (60cm) steel extension bracket
Allows play under the basket
Compatible with 160, 169, 170, 150 and 151 boards
Compatible with 261, 263, 265, 277 and 270 rings
Flat packed and easy to assemble
Size of box: 27' x 25' x 4' (71 x 63 x 11cm)
Not supplied with wall mounting bolts
Weight: 7Kg