M4 Aluminum Spacers, 5 Pcs Metal Spacer Aluminum 4.1mm ID x 6mm OD x 5mm L Aluminum Spacer Screw Standoff Round

This Aluminum spacer can be widely used in various production-oriented field such as house decoration, floor construction, construction engineering, electronic device manufacturing, etc

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.