**********Package Content: 1pcs x DB9 Male Adapter, 1pcs x DB9 Female Adapter*****Total Size: 45 x 31 x 18mm/1. 8' x 1. 2' x 0. 7'(L*W*H)*****Fixing Hole Diameter: 3mm; Fixing Hole Center Distance: 6mm/0. 24 inch*****Material: Metal, Electric Part; Color: Green, Black; Weight: 45g*****With insulation foam at the bottom, all-copper base, contacted better and more antioxidative. All signal ports named and labeled clearly.