Fits MonosemTypes/Models:Monosem: NC, NG, NG Plus, NG Plus 2, NG Plus 3Technical specification:Thickness (mm): 4Dimensions (mm): 350 x 4Number of holes: 6Outer diameter (mm): 350Hole diameter (mm): 7Hole circle diameter (mm): 85Design: SmoothOuter diameter (inch): 14Hub hole diameter (mm): 32