XLPower XL52A01 Grip Arm Ball - XLPower 550/ Nimbus 550

4.72*9.5mm ball * 5 , 4.72*24.2mm ball * 1 , 4.72*14.2mm ball * 3, 4.72*7.4mm ball * 2, 4.72*8.3mm ball * 1