Material: Plastic
Color: Black
Radiating during high rate discharge. Extend battery life.
Every spacer has slots on edge for connection.
Makes your battery pack Solid and Reliable!
Every 3pcs 18650 battery cells needs 2 Spacers (one up / one down).
Size Approx: 6*2*0.8cm/2.36"*0.79"*0.31"
Quantity: 20Pcs
Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!