Model No. SWPI : 168-170

Roller Weights of Model No. SWPI: 187 are also Standard Weights which are used for calibration of high capacity weighing machines and verification and calibration of high capacity weights. Weights have shape of roller with handle so that it can be transported easily. They are fit with mild steel handle suitable for rolling and lifting. SWPI’s Test Weights are made of high quality pig iron for smooth surface (so that foreign materials may not accumulate on its surface). The adjusting cavity is sealed with lead plug. It is designed in such a way that water may not enter or get trapped in the adjusting cavity.