360 pieces watch band link cotter pins with box 18 different sizes: 6mm,7mm,8 mm, 9mm, 10 mm, 11 mm, 12 mm, 13 mm, 14 mm, 15 mm, 16 mm, 17 mm, 18 mm, 19 mm, 20 mm, 21 mm, 22 mm, 23 mm. Stainless steel watch pins with double flange, pins applied for metal watch strap links. Type:Watch Band Split Pins Color:silver Material: Stainless Steel Dia: Approx. 0.9mm Package include:360pcs Watch Band Split Pins Note: 1.Please be reminded that due lighting effects, monitor's brightness/contrast settings etc, there could be some slight differences in the colour tone of the website's photo and the actual item. 2. Item Measure by hand, it could be 1cm different,your kind understanding will be much appreciated.