3.17mm Aluminum Bullet Propeller Adapter Holder for BLDC motor

● Color: Silver
● Material: Aluminum
● Motor Axle hole diameter: 3.17mm
● Single item size: 2.4*1.2cm (L*D)
● Single item weight: 4g
● Package weight: 21g

package including:
1 x 3.17mm Propeller Adapter