Specification:
Material: Brass
Size:
O Rings: about 18x13x3mm, 9 Gauge, inner diameter: 13x8mm, 2pcs;
Round Ring: about 14.5x2.5mm, 10 Gauge, inner diameter: 10mm, 2pcs;
Oval Rings: about 18x10x3mm, 9 Gauge, inner diameter: 10mm, 2pcs;
Box: 7.4x7.2x1.7cm, 1pc.