This is a one-off Titanium and 7075 Aerospace grade Aluminum Machine Clip with black powder coat on the Titanium Gates and Scales, Blue anodized 7075 Screws and Blue Anodized core.  Less than 2" square and Less than 2 oz.  Pink Hyperglow Dayglow, Charges in sunlight for pink glow after dark, with moderate glow time.

MachineClip PINK glow