Material: Aluminum; Color: Silver; Size:  3.1mm ID x 5mm OD x 2mm L; Compatible Screw Size: M3 Screws Bolts; Package List: 10 PCS M3 Aluminum spacer; 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. Application: 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. Note: Please select the appropriate size according to your needs. 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
Size: 3.1mm ID x 5mm OD x 2mm L
Compatible Screw Size: M3 Screws Bolts
Package List: 10 PCS M3 Aluminum spacer

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.