Professional Jaxa Type Watch Case Features
- Open & close most regular screwd back waterproof watch (up to 35mm case size)
- The maximum jaw opening is 33mm (Please refer to ASIN: B00944T13U for a XL version)
- Includes four 4 sets of interchangeable chucks: Square, Round, Flat & Knurled
- Knurled handle prevents loosing your grip
- Wrench comes in a yellow storage box that holds all pieces.