In the package of 12 x display storage box
The copper tape can EMI shielding in electric machine to protect your electronics devices from electromagnetic interference
etc Aluminum crust surface with good performance in heat
Silica Gel
only requiring lining up with the before tapping it into position
Grinding Wheel 4" 100 Grits Aluminum Oxide Cup Abrasive Wheel, White Corundum Army Green In the package of 121. High hardness, sharp edges, and corners, good cutting performance, machining accuracy, and low grinding heat. It is a good tool for grinding. 2. The grinding wheel has high accuracy, high efficiency, and good roughness, resulting in less abrasive consumption and long service life. 3. Corundum has small particle size, impact resistance, and uniform particles. 4. Suitable for grinding hard and heat sensitive steel, such as hardened steel, high carbon