Does your USB Lithium Foam Cutter Bow Tip need replacement wire? It is recommended to replace your wire if your wire loses tension or breaks with this replacement .01" Nichrome Wire. It is easy to replace and rewire the Bow Tip on the RYOBI USB Lithium Foam Cutter, which is ideal for cutting, shaping, and shaving a variety of foam. This Replacement Nichrome Wire is compatible with the RYOBI USB Lithium Foam Cutter (FVH64) Bow Tip and can be used for additional electronic projects.