Proof Line weights are high quality working standards for everyday use. These weights are made of high quality material with polished or precision lathed surfaces.
- 0 to 5 mg leaf weights: Aluminium
- 10 to 500 mg leaf weights: Nickel silver
- 1 g to 10 Kg knob weights: Stainless steel
Certifications: Compliance with OIML R111-1.