Amazon.co.jp: Brass Balls, H62 Pure Brass, Copper Balls, Precision Copper Balls, Diameter: 0.25 inch (6.35 mm) Brass Balls, 0.25 inch (6.35 mm) [200 Pieces] : Industrial & Scientific
Amazon.co.jp: Brass Round Bar H59 Copper Cu-Metal Bar Stock DIY Metal Craft Solid Rod Length 200mm Diameter 30mm : Industrial & Scientific
5Pcs Metal Block Set-Brass, Copper,Iron,Steel & Aluminum for Density Investigation,Specific Gravity,Collectible : Amazon.in: Home & Kitchen
Amazon.co.jp: Brass Plate Pure Copper Sheet Foil Copper Plate Metal Brass Cu Metal Sheet Foil Plate Smooth Surface Exquisite Tissue Thickness Brass Plate Metal Copper Foil (Size : 100mmx150mm/3.9inchx5.9inch) : Industrial &
Amazon.co.jp: Brass Foil Sheet Copper Band Belt Leather Metal Work Industrial Material H62 Cu 100mmx1m, 0.5mmx100mx1m Pure Copper Plate : Industrial & Scientific