General description 50Pcs Male / Female End Union Brake Pipe Screw Nuts M10 x 1mm are designed for effective performance in brake line applications. This Brake Line Fitting Kit is suitable for 3/16 inch copper brake pipes and features zinc coating for enhanced corrosion resistance. Technical specifications Size: M10 x 1mm Material: Iron with zinc plating Package Contents: 25 x Female brake pipe joints, 25 x Male brake pipe joints OD: 3/16 inch Measurement allowed error: +/- 1-3cm Other information Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the actual product.