Iibheringi zeTaper Roller: JKOS
| Into | d | D | B | C | r | F | b | a | g | Indandatho ye-Snap | Uvavanyo oluSisiseko loMthwalo | Isantya Esilinganiselweyo (Igrisi) | |
| Cr KN | Cor KN | umzuzu-1 | |||||||||||
| JKOS020 | 20 | 42 | 17 | 16.5 | 0.6 | 38.1 | 0.75 | 11.1 | 0.025 | BR 42 | 22.8 | 29 | 4800 |
| JKOS025 | 25 | 47 | 17 | 16.5 | 0.6 | 43.1 | 0.75 | 12.4 | 0.015 | BR 47 | 25 | 34 | 4000 |
| I-JKOS030 | 30 | 55 | 19 | 185 | 1 | 51.4 | 0.75 | 14.8 | 0.02 | BR 55 | 36 | 46.5 | 3400 |
| JKOS035 | 35 | 62 | 20 | 19.5 | 1 | 58.4 | 0.75 | 16.2 | 0.02 | BR 62 | 36 | 50 | 3000 |
| I-JKOS040 | 40 | 68 | 21 | 20.5 | 1 | 64.4 | 0.75 | 15.8 | 0.03 | BR 68 | 50 | 69.5 | 2700 |
| JKOS045 | 45 | 75 | 22 | 21.5 | 1 | 70.7 | 1 | 17.2 | 0.02 | BR 76 | 55 | 81.5 | 2400 |
| JKOS050 | 50 | 80 | 22 | 21.5 | 1 | 75.7 | 1 | 18.7 | 0.02 | BR 80 | 60 | 93 | 2200 |
| I-JKOS060 | 60 | 95 | 26 | 25 | 1.5 | 89.8 | 1.25 | 23.1 | 0.03 | BR 95 | 76.5 | 122 | 1800 |
| JKOS070 | 70 | 110 | 27 | 26.5 | 1.5 | 104.8 | 1.25 | 25 | 0.03 | BR 110 | 98 | 160 | 1500 |
| JKOS080 | 80 | 125 | 30 | 29.5 | 1.5 | 119.8 | 1.25 | 28 | 0.03 | BR 125 | 129 | 212 | 1300 |
| JKOS090 | 90 | 140 | 33.5 | 33 | 2 | 133.7 | 1.25 | 31.6 | 0.03 | BR 140 | 156 | 260 | 1200 |
| I-JKOS100 | 100 | 150 | 33.5 | 33 | 2 | 143.6 | 1.25 | 34.4 | 0.03 | BR 150 | 166 | 290 | 1100 |
| I-JKOS110 | 110 | 170 | 40 | 39.5 | 2.5 | 163.7 | 1.25 | 38.9 | 0.035 | BR 170 | 228 | 390 | 1000 |
| I-JKOS120 | 120 | 180 | 40 | 39.5 | 2.5 | 173.7 | 1.25 | 41.6 | 0.03 | BR 180 | 236 | 425 | 900 |
| I-JKOS130 | 130 | 200 | 47.5 | 47 | 2.5 | 192 | 1.5 | 46.3 | 0.045 | BR 200 | 315 | 570 | 800 |
| I-JKOS140 | 140 | 210 | 47.5 | 47 | 2.5 | 202 | 1.5 | 49.7 | 0.04 | BR 210 | 300 | 610 | 320 |
| I-JKOS150 | 150 | 225 | 50 | 49.5 | 3 | 217 | 1.5 | 48.3 | 0.04 | BR 225 | 355 | 710 | 280 |
| I-JKOS160 | 160 | 240 | 54.5 | 54 | 3 | 232 | 1.5 | 56.3 | 0.04 | BR 240 | 390 | 815 | 280 |
