German made HD rigid Sinuscope 0˚/ 30˚/70˚ (per your choice), 50mm length, 4mm diameter, made of high quality stainless steel, to provide optimal durability and reliability. Soldered sapphire glass distal lenses ensure leakage and scratches free surface. No glue- one unit, laser welding. Patented optical system for high resolution, crystal clear image and field of view with 3 tube system to provide additional protection. Autoclavable. STORZ compatible.