1. Aluminum alloy material, CNC process, not easy to rust, durable
2. Easy to install and easy to use
3. Turn the crank handle clockwise to take up the thread, turn the crank handle counterclockwise to exit the thread, and the release force can be adjusted by the knob
4. Speed ratio: 1:1
5. Number of bearings: 2+1
6. Material: aluminum alloy
7. Process: CNC
8. Wire cup diameter: BLT-40 about 39.5mm, BLT-40 about 49mm, BLT-50 about 59mm
9. Line capacity: BLT-40 0.20mm/100m, BLT-50 0.30mm/100m, BLT-60 0.35mm/100m
10. Weight: about 58g for BLT-40, about 68g for BLT-50, about 71g for BLT-60