Model	Main Ball		Sub Ball		Ball Cup	Housing	Remark
	Dia(mm)	Material	Dia(mm)	Material
BT381-0510	38.1	Carbon Steel	4.76	Carbon Steel	Carbon Steel	Carbon Steel
BT381-0510B	38.1	GCr15/52100	4.76	GCr15/52100	Carbon Steel	Carbon Steel
Thread: 3/8"-16,M10 optional
Load Capacity(kg):
ball up	ball down
130	50
130	50