This is a four pack (4pcs) of hex head bolts for 2005-2009 Buick LaCrosse and Allure vehicles. These bolts are hex head bolts with built-in washers that spin freely. These bolts are M6 X 1.00 threads that are 20mm long, with a 28mm wide washer. You will receive 4 bolts per order.

GM part # 11589159

M6 X 20 X 1.00

Hex Head Size: 10mm

Washer Diameter: 28mm

Thread Length: 20mm