Sterling Silver, 2.1mm Width / Length, 20 Inch Plain Regular Rollo Chain with 5.5mm Width / Length by 1.3mm Thick, Smooth Spring Ring Clasp. Quantity Per Pack: 1 Piece.

Sterling Silver, 2.1mm Width / Length, 20 Inch Plain Regular Rollo Chain with 5.5mm Width / Length by 1.3mm Thick, Smooth Spring Ring Clasp.

Size of Plain Regular Rollo Chain - inner diameter - 1.3mm / 0.051 Inch Width / Length.

Gauge of wire used for Plain Regular Rollo Chain - 28.0 gauge / 0.32mm / 0.013 Inch.

Size of Smooth Spring Ring Clasp - inner diameter - 3.0mm / 0.118 Inch Width / Length.

Size of opening of the Smooth Spring Ring Clasp, once hinge is fully pulled back - 1.6mm / 0.062 Inch.

Size of End Ring to connect to Spring Ring Clasp - outer diameter - 3.6mm / 0.141 Inch Width / Length.

Size of End Ring to connect to Spring Ring Clasp - inner diameter - 2.6mm / 0.102 Inch Width / Length.

Gauge of wire used for End Ring - 20.0 gauge / 0.8mm / 0.032 Inch.

Quantity Per Pack: 1 Piece.