IMS Parts Box Small25 x 1 inch 4. Autoclavable Suitable for ultrasonic cleaners and automated washers Dimensions: 1. 56 x 1. 25 x 1 inch Autoclavable The Small Parts Box is an autoclavable cassette that is ideal for keeping small items such as matrix band retainers and rubber dam clamps organized during sterilization. The box fits perfectly into a cassette's accessory area and is suitable for use in automated washers and ultrasonic cleaners. Box dimension measures 1. 56