This gear can be used on following kit: a) extension ring 30 and 8.5' dome port b) extension ring 70 and 6' wide angle port c) extension ring 20 and 8.5'' white balance port d) extension ring 30 and 8.5'' white balance port
Dimension: 102 mm x 79 mm x 11 mm Weight: 77g / 6g Construction: Anodized aluminum alloy & Nylon
