- Lens suction pen with 7 interchangeable suction cups: Includes a suction pen and seven cups with diameters 12, 15, 20, 25, 30, 35 and 40 mm. Ideal for repairing and cleaning lenses and watches, mounting IC components, and handling other small parts. - No fingerprints and stains: Suction cups are soft, anti-static ESD conductive silicone, so they will not scratch lenses or damage precision components and help keep surfaces clean, preventing fingerprints and smudges. - Easy to clean and repair: Large suction cups provide a strong vacuum seal for lenses, while the smaller cups hold watches and integrated circuits. The 2 inch (5 cm) suction tube reaches small, tight corners with strong suction. - Professional curved lens wrench: The curved wrench fits grip rings of telescopic camera lenses and optical lenses. It includes flat and pointed tips and an adjustable aperture from 5 mm to 110 mm, making it compatible with a variety of lenses including some dual-lens graphic cameras. - Applications: Use for repairing and cleaning camera lenses and watches, mounting IC components, handling small parts in electronics, and servicing grip rings on telescopic or dual-lens cameras.