A pair of 10kg (5 kg * 2 only) 40CM connector, a pair of 15 kg (7.5 kg * 2) 40CM connector, 20 kg (10 kg * 2) 40CM connector, 30 kg (15 Kg * 2 pieces) 40CM connector, 40kg one pair (20 kg * 2 pieces) 40CM connector, 50 kg one pair (25 kg * 2 pieces) 40CM connector, a separate connecting rod (kg)
