This trial lens frame is a high-quality product made in the USA. It is adjustable, lightweight, and comes in black color. The product is suitable for ophthalmology professionals who require precise and accurate measurements. The trial lens frame is designed to hold trial lenses securely and facilitate the testing of different lens combinations. It is an essential tool for eye care professionals to diagnose and treat visual impairments. With a 2-day delivery, you can start using it in your practice in no time.