Sterling Silver, 1.5mm Width / Length, 20 Inch Flat Regular Rollo Chain with 5.0mm Width / Length by 1.0mm Thick, Smooth Spring Ring Clasp. Quantity Per Pack: 1 Piece.

Sterling Silver, 1.5mm Width / Length, 20 Inch Flat Regular Rollo Chain with 5.0mm Width / Length by 1.0mm Thick, Smooth Spring Ring Clasp.

Size of Flat Regular Rollo Chain - inner diameter - 0.9mm / 0.035 Inch Width / Length.

Gauge of wire used for Flat Regular Rollo Chain - 28.0 Gauge / 0.321mm / 0.013 Inch.

Size of Smooth Spring Ring Clasp - inner diameter - 3.2mm / 0.125 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 / 0.812mm / 0.032 Inch.

Quantity Per Pack: 1 Piece.