You are purchasing a set of new rear axle blocks, this includes everything pictured.
This item will fit:
KTM
85SX
2003-2014
KTM
125-450SX/SX-F/XC/XC-F
2000-2012
KTM
125-530EXC/EXC-F/XC-W/XCF-W
2000-2023