Easy Grip Design: Rubber tool wrench with 77mm lens repair filter for removing front retaining ring Scratch Free Protection: Made with silicone rubber material that prevents scratches on glass lenses Mechanical Operation: Uses mechanical design for precise lens removal and installation Multipurpose Use: Can be used for repairing camera lenses, eyeglasses, and other precision lens applications Compact Size: Measures only 77mm in length for easy storage and portability