1.Model:PH-4.5 2.Capacity:1.5-4.5kg 3.With drum,spring and also safety lock 4.Good in ... spiral spring, pull move it to lock the drum.)4. Coated cable to prevent it from breaking and ... casting, covered with corrosion proof paint, surface is smooth.4. The balancer provided with load dial, constructed of ... and up in the groove agilely, it does not block or come out of groove.6. Balancer drum (cone ...