Size: 15x10 mm/ 0.6x0.4 in, 15x15 mm/ 0.6x0.6 in, 20x13 mm/ 0.8x0.5 in, 20x20 mm/ 0.8x0.8 in, 25x20 mm/ 1.0x0.8 in, 25x25 mm/ 1.0x1.0 in
Material: metal Color: as shown in the pictures Please allow slight color difference due to the monitor resolution and light effect when taking pictures!