Part No. TL - 3017 TL - 3018 TL - 3019 TL - 3020 TL - 3021 TL - 3022 TL - 3023 TL - 3024 | Cat. 0 1 1&2 1&2 2 2 2 3 | Description Standard Duty Standard Duty Heavy Duty Extra Heavy Duty Standard Duty Heavy Duty Extra Heavy Duty Standard Duty | Ø A (mm) 16.00 22.20 22.20&28.60 22.20&28.60 28.60 28.60 28.60 36.40 | B (mm) 25.00 35.00 44.50 Both 44.50 Both 33.00 44.50 44.50 44.50 | C (mm) 19.00 22.20 30.20 35.00 22.20 31.80 35.00 34.20 | Ø D (mm) 50.80 60.30 70.00 79.50 60.30 70.00 79.50 89.00 |