【Product Specifications】 Overall length: 160mm; Brush length: 100mm; Diameter: 80mm Thread specification: 12mm Brush material: Steel wire 【Applications】 Used with extension poles for cleaning, deburring, and other scale removal in hard-to-reach areas such as pipe interiors and screw hole inner surfaces, where ordinary brushes cannot reach. Heyiarbeit Tube Brush Wire Brush Straw Brush Test Tube Brush Spiral Wire Tube Brush Tube Brush Spiral Twisted Overall Length 160mm Diameter 80mm Brush Length 100mm Thread Specification 12mm 2 Pieces Steel Wire ⋱⋰ ⋱⋰ ⋱⋰ ⋱⋰ ⋱⋰ ⋱⋰ ⋱⋰ ⋱⋰ No noticeable dirt was found on the product, but there may be oversights. Please check the images for dirt, dents, tears, etc. Please refrain from purchasing if you are sensitive or seeking perfection. ⋱⋰ ⋱⋰ ⋱⋰ ⋱⋰ ⋱⋰ ⋱⋰ ⋱⋰ ⋱⋰ ＊Immediate purchase welcome / Silent purchase late at night OK◎ ＊First come, first served ＊Bulk purchases welcome ＊Free shipping! ＊Feel free to comment if you have any questions, not just about price negotiations ❖ ＊Please check your profile once. ⋱⋰ ⋱⋰ ⋱⋰ ⋱⋰ ⋱⋰ ⋱⋰ ⋱⋰ ⋱⋰ #OsatoRoomProductList We have many items for sale, including miscellaneous goods, home appliances, smartphone cases, cables, DIY supplies, etc.* ⋱⋰ ⋱⋰ ⋱⋰ ⋱⋰ ⋱⋰ ⋱⋰ ⋱⋰ ⋱⋰ Management number: 15-54-5(385/35/315/28/245/21/175)24