Part No. TL - 3121 TL - 3122 TL - 3123 TL - 3124 TL - 3125 TL - 3126 TL - 3127 TL - 3128 TL - 3129 | Pin ØA (mm) 12.70 15.90 15.90 19.00 19.00 22.20 25.40 28.60 31.70 | Drill ØB (mm) 5.00 6.70 6.70 6.70 6.70 6.70 6.70 6.70 6.70 | Collar ØC (mm) 25.40 28.70 28.70 31.70 31.70 35.00 38.00 41.40 44.40 | Usable D (mm) 88.90 108.00 158.70 108.00 158.70 158.70 158.70 158.70 158.70 |