View cart “Gearbox Hobby mill” has been added to your cart. Ball for 3″ piston$6.80 for 3″ Piston pump Part# 10002045 Ball for 3" piston quantity Add to cart SKU: 10002045 Category: Sun Mill/Solar Mill Parts Additional information Additional information Weight 0.24 kg Related products Grease food grade $30.80 Food grade for stuffing box white in colour Part# 10001000 Ball for 2″ piston $6.93 for 2″ Piston pump Part# 10002040 Seal 2″ stuffing box upper $10.56 for 2″ Stuffing box upper wiper Part# 10003400 Brushes 24v 60w motor $82.50 for Hobby Mill with 24v 60w motor (Brown in colour) Pack of two Part# 30090102