Salter 235-6S suspended scales are mechanical spring scales. Cases are ABS plastic with polycarbonate dial cover. Bearings are low friction acetal giving positive movement and maximum sensitivity. Accuracy is 1 part in 250 and a zero adjustment of 15% of capacity. These scales are made to exacting quality standards and supplied worldwide for applications including retail outlets, weighing crops, produce, fabrications, fire extinguishers, animals and babies.