This is a pack of four (4pcs) of hex head bolts. These are brand new, factory OEM, genuine GM bolts, not in the original box. Each bolt is M10 X 1.5 X 40mm. These also have loctite on the threads. You will receive 4 bolts per order.

Part # 61850040

M10 X 1.5 X 40

Head Size: 16mm