1. With dimension and safety line marking, the position is clearly visible
2. Suspension design, effectively relieve the impact when bumped
3. With dust cover to prevent dust and rain from entering
4. Material: aluminum alloy
5. Specifications: 25.4/27.2/28.6/30.9/31.6mm
6. Weight: about 429 grams for 25.4mm, about 478 grams for 27.2mm, about 515 grams for 28.6mm, about 516 grams for 30.9mm, and about 538 grams for 31.6mm
7. Size: about 35cm long
