20Pcs Open Jump Rings, 30mm/1.18" Brass Jump Ring Connectors 3mm Thick O Rings 3/8" X 1/2" Thread Dimension: M10 x 20mm

Thread Dimension: M10 x 20mm / M10 x 0

Total Weight: 146g

Terminals Type: Screw Clamps Terminals

a shunt needs to be connected in parallel with the ammeter (Current division in parallel circuit)

20Pcs Open Jump Rings, 30mm/1.18" Brass Jump Ring Connectors 3mm Thick O Rings 3/8" X 1/2" Thread Dimension: M10 x 20mmDescriptions: Material: The open jump ring is made of brass, and the surface has been electroplated to make it more corrosion resistant and durable; the surface is smooth and shiny, which can give your DIY products a good visual effect. Open Design: The open ring design allows the accessory to be easily worn on various non openable jewelry parts, making it flexible and convenient to use. Easy to Use: The open jump rings are not welded closed and can