When attaching to Goal Zero, pull out the goal zero bail to remove it. It can be attached to other than Goal Zero. Kakusan Jr. The upper and lower holes are 4mm, so if it is smaller than that, it will pass. It can also be attached to a guy rope (5mm). Material: Iron Size: Height 38mm, Width 15mm, Weight 3g Baked finish. We are careful not to paint unevenly, but please refrain from those who are concerned.