This Aluminum spacer can be widely used in high-temperature, high-pressure, and highly corrosive pressure, valves, sealing parts of cylinder heads, and industries such as car, steel mills, chemical equipment, and engineering machinery.

Specification
Material: Aluminum
Color: Silver
Compatible Screw Size: 1/2" or M12 Screws Bolts
Size: 12.7 x 20 x 9.5 mm / 0.5 x 0.79 x 0.37 inch (ID*OD*L)
Packing List: 10 x Round Spacer Aluminum

Advantage
Made of durable Aluminum material, which is hard, good performance, good electrical conductivity, corrosion resistance and can be used for a long time.

Instruction
Easy to use, just need to install on the screw bolts with proper diameter.

NOTE: Please select the appropriate size according to your needs.