Specifications: Made from metal replacement part, you can combine previously bite indicator with adapter so that the preparation time is effectively reduced. Compact design, solid, durable and long lasting. High degree of hardness, corrosion-resistant and wear-resistant. You can use it according to your desire, compact volume, easy to carry. Item Name: Quick Release Adapter Quantity: 1 Pc Material: Aluminum alloy Features: Compact, Durable, Removable, Easy to Use Overall Dimension: 60mm x 16mm x 16mm/2.34" x 0.63" x 0.63" (Approx.) Inner Diameter of Bite Alarms Thread: 8.4mm/0.33" (Approx.) Diameter of the Mounting Thread: 9.1mm/0.36" (Approx.) Notes: Due to the light and screen setting difference, the item's Colour may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Quick Release Adapter