1. Ergonomic design, correct the grip posture, feel comfortable 2. The handle adopts a bilateral alloy lock ring, and the joint of the lock ring is equipped with soft rubber to prevent dust, and a car tube handle plug is provided. 3. Fine stitches, neat and uniform 4. Material: cow leather + hard plastic + aluminum alloy 5. Installation aperture: 22.2mm 6. Weight: about 208g