1Length 26mm / 1in, with two holders, the inner diameter of the large hole of the holder is 4mm / 0.16in, and the inner diameter of the small hole of the holder is 3mm / 0.12in. 2Fluorescent, durable, waterproof and light weight. Very suitable for night fishing or early morning fishing, making night fishing easier. 3Easy to install and remove, without any difficult requirements even though you use it for the first time. 4Suitable for most fishing rods, it can be firmly attached to the rod without falling. 5It is light in weight, easy to carry, and will not increase the burden of your travel.