Description:

OEM: OMC 500421 Model # 37477 Features: Eliminates the need for stocking expensive locknuts and lock washers Ideal for all nut and bolt applications 1/4" to 3/4" (6to 20 mm) Locks and seals while preventing parts from loosening due to vibration Removable with hand tools Typical applications: Valve cover bolts water pump bolts oil pan bolts drive shaft bolts rocker arm adjustment nuts carburetor studs Item Dimensions: 7. 4" L x 3. 75" W x 1. 2" H.