1.Model:PH-4.5 2.Capacity:1.5-4.5kg 3.With drum,spring and also safety lock 4.Good in ... spring, pull move it to lock the drum.)4. Coated cable to prevent it from breaking and ... , covered with corrosion proof paint, surface is smooth.4. The balancer provided with load dial, constructed of ... sleeve), to avoid the two balancers knocking each other.8. The balancer provided with safe device to prevent ...