The RAMAWORKS Compatible Internal Weight is an aftermarket add-on designed for specific RAMAWORKS keyboards, including models like KARA, KOYU, M60-A, M60-B, M65-B, M65-C, U80-A, and U80-B. Made from polished copper or brass with a clear coating, this internal weight weighs approximately 800g. It requires three M3x5 T10 fasteners for installation. Currently, the product is in the interest check phase, with pricing and quantity details yet to be established.