Model No. SWPI: 60 - 63

Avoirdupois weights 7lb to 56lb

SWPI’s Model No. 60-63 Avoirdupois Weights are crafted to meet the requirements of industries and laboratories using the imperial system of measurement. Available in denominations ranging from 7 lb to 56 lb, these weights are widely used for calibration, verification, and testing purposes where precision and compliance with international standards are essential. Designed to provide consistent accuracy, they serve as a reliable standard for applications across trade, research, and industrial settings.

Manufactured from high-quality cast iron and brass, the larger denominations such as 56 lb, 50 lb, 25 lb, 20 lb, 14 lb, and 7 lb are made from robust cast iron, while the smaller denominations from 4 lb down to ¼ oz are available in both cast iron and brass. Each weight is carefully finished with a protective coating to resist corrosion and wear, ensuring long-lasting performance. With worldwide export to markets across the USA, UK, Canada, Australia, and beyond, SWPI’s Avoirdupois Weights offer precision, durability, and trust for customers relying on the imperial system.