LBY 100pcs Chicago Screws Binding Screw Posts,M5 x 10/20/30/40/50mm Book Screws,Binding Barrels and Screws Assortment Kit, for Leather Saddles Purses Belt Repair, Electrophoretic Matt Black

LBY 50-Set Chicago Screws, Binding Screw Post, M5 x 10/20 /30/40 /50mm Book Screws   ● Product:  - Material: carbon steel - Main Color: matt black -Surface treatment: electrophoretic.   ● Package:  - M5 x 10mm - 10pcs - M5 x 20mm - 10pcs - M5 x 30mm - 10pcs - M5 x 40mm - 10pcs - M5 x 50mm - 10pcs -Tops - 50pcs   ● Description:  - Made from carbon steel with electrophoretic matt black finish, these screws resist rust and corrosion for long-lasting use. - The kit includes screws in five lengths, suitable for various material thicknesses. - Widely used in recipes, photo album books, the production of saddles and leather purses etc.