SUNWAYFOTO brand Focusing Handle DRH-60. Allows Precision focusing. Great for rotating filters like CPL. 1. Precision machined from solid aircraft-grade aluminum. 2. Anodized finish, solid and durable. 3. Patented Ring-Handle adjusting lock avoid scratches 4. light and portable. Please measure the diameter of your lens where you intend to mount it. Inner diameter: 58-66mm. Handle length: 46mm. Weight: 40g. Material: 6061T651. All metal construction.