Sterling Silver 1.0mm Width / Length, 20 Inch Regular Square Box Chain with 6.0mm Width / Length by 1.4mm Thick, Smooth Spring Ring Clasp. Quantity Per Pack: 1 Piece. Location_3-4-5-8 0mm Closed Ring at the

0mm Closed Ring at the bottom

Size of each pin / prong of the Pinch Bail - on the side the Bail - 19

3mm Width by 23

18 Inch Round Regular Curb Chain with 6

Size of each pin / prong of the Pinch Bail - at the bottom the Bail - 18

Sterling Silver 1.0mm Width / Length, 20 Inch Regular Square Box Chain with 6.0mm Width / Length by 1.4mm Thick, Smooth Spring Ring Clasp. Quantity Per Pack: 1 Piece. Location_3-4-5-8 0mm Closed Ring at theSterling Silver 1. 0mm Width Length, 20 Inch Regular Square Box Chain with 6. 0mm Width Length by 1. 4mm Thick, Smooth Spring Ring Clasp. Gauge of wire used for Box Chain 24. 0 Gauge 0. 511mm 0. 020 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. 2mm 0. 047 Inch. Size of End Ring to connect to Spring Ring Clasp outer diameter 4.