1. The threads are smooth and easy to turn 2. There are strap slots for fixing the strap, making the operation convenient 3. It has a telescopic screw button, aligning in the direction and rotating to pop out 4. Made of metal, it is sturdy and durable 5. Size: about 6.7 x 1.5 x 1 cm 6. Weight: about 23g 7. Packaging list: detachable case x 1, tongue depressors x 3
