Fits only Top Care 6 Blade Razors. Quality guaranteed. Smooth & close shaving in a single stroke. The 6 blade shaving system: Smooth and close shave in a single stroke. Open architecture of cartridge: The open architecture on the reverse of the blade cartridge makes it easy to rinse the blades. Questions? 1-888-423-0139. Quality guaranteed. This TopCare product is laboratory tested to guarantee its highest quality. Your total satisfaction is guaranteed. Blades made in South Korea.