1. The angle of the seat cushion can be fine-tuned 2. Aluminum alloy material, thick and sturdy wall 3. With safety line logo, easy to install 4. Material: 7075 aluminum alloy 5. Specifications: 27.2/30.9/31.6mm 6. Weight: about 290 grams for the 27.2mm model, about 314 grams for the 30.9mm model, and about 335 grams for the 31.6mm model 7. Size: about 40cm long
