Jump box specification:

Small third gear 75*40*20*50

Extra small third gear 75*40*20*50

Third Gear 80*40*20*65

Weighted third gear 80*40*20*65

Small fourth gear 80*45*20*65

Extra-heavy fourth gear 80*45*20*65

Fourth gear 90*60*30*90

Weighted four gears 90*60*30*90

Big fourth gear 100*80*40*100

Heavy fourth gear 100*80*40*100

Small fifth gear 85*53*20*82

Extra-heavy small five-gear 85*53*20*82

Fifth Gear 120*90*40*120

Weighted five-gear 120*90*40*120

Cushion (two)