3D printed rainbow spiral ejection decompression ball Do not scrub with sharp

Do not scrub with sharp objects

Each color has 1 piece

2 hybrid ceramic precision bearings are used in the design of the Pendulum

The fully extended dimension is the required clearance you need from the point of grip to the inside of your hand

When they do

3D printed rainbow spiral ejection decompression ball Do not scrub with sharpThis is an interesting 3D printing product, It has a spiral structure and a great visual effect They can be infinitely linked and lengthened. It contains 7 products (7 colors of rainbow: red, orange, yellow, green, cyan, blue, purple) It can be linked arbitrarily Each size: length 62mm diameter 35mm Includes 2 spiral balls 2 springs 2 cover plates