1. Material: metal 2. Color: silver, tinned 3. Size: The diameter of the chassis is 9.5cm, the distance between the four holes is 5cm, and the size of each hole is 7mm. 4. Professional pear ball rotator, the product is made of all metal, with built-in bearing, rotation is flexible and durable. It is used with the pear ball rack, which is a demand for training exercises and professionals 5. Weight: about 500g
