It is suitable for round pipes with a diameter of 50mm. it is made of stainless, aluminum material. there is a screw for mounting in the package. 1 washing line is a gift. maximum 6 pieces of this product can be ordered. swordslife reserves the right to cancel orders over 6 units. there is less than 5 units in stock to be sold at the campaign price. Improved version for clearer understanding and better search visibility. Suitable for users seeking detailed and reliable product information.