NKG
| RING NO. | Remarks | Dh | WH | FH | NUMBER OF WAVES | Dg | W min. | T | S | |
| NKG-75 | NKG-75 | 0.75 | 25 @ .080 | 0.114 | 3 | 0.796 | 0.119 | 0.035 | 0.065 | |
| NKG-87 | NKG-87 | 0.875 | 30 @ .085 | 0.11 | 3 | 0.931 | 0.115 | 0.042 | 0.085 | |
| NKG-100 | NKG-100 | 1 | 34 @ .085 | 0.12 | 3 | 1.066 | 0.125 | 0.042 | 0.085 | |
| NKG-112 | NKG-112 | 1.125 | 38 @ .100 | 0.125 | 3 | 1.197 | 0.13 | 0.05 | 0.128 | |
| NKG-125 | NKG-125 | 1.25 | 40 @ .100 | 0.135 | 3 | 1.33 | 0.14 | 0.05 | 0.128 | |
| NKG-137 | NKG-137 | 1.375 | 45 @ .100 | 0.125 | 4 | 1.461 | 0.13 | 0.05 | 0.128 | |
| NKG-150 | NKG-150 | 1.5 | 50 @ .100 | 0.135 | 4 | 1.594 | 0.14 | 0.05 | 0.128 | |
| NKG-162 | NKG-162 | 1.625 | 55 @ .110 | 0.135 | 4 | 1.725 | 0.14 | 0.062 | 0.158 | |
| NKG-175 | NKG-175 | 1.75 | 60 @ .110 | 0.14 | 4 | 1.858 | 0.145 | 0.062 | 0.158 | |
| NKG-187 | NKG-187 | 1.875 | 63 @ .110 | 0.141 | 4 | 1.989 | 0.146 | 0.062 | 0.158 | |
| NKG-200 | NKG-200 | 2 | 65 @ .110 | 0.15 | 4 | 2.122 | 0.155 | 0.062 | 0.158 | |
| NKG-212 | NKG-212 | 2.125 | 70 @ .130 | 0.17 | 4 | 2.251 | 0.175 | 0.078 | 0.188 | |
| NKG-225 | NKG-225 | 2.25 | 75 @ .130 | 0.175 | 4 | 2.382 | 0.18 | 0.078 | 0.188 | |
| NKG-237 | NKG-237 | 2.375 | 80 @ .130 | 0.18 | 4 | 2.517 | 0.185 | 0.078 | 0.188 | |
| NKG-250 | NKG-250 | 2.5 | 84 @ .130 | 0.183 | 4 | 2.648 | 0.188 | 0.078 | 0.188 | |
| NKG-262 | NKG-262 | 2.625 | 88 @ .170 | 0.22 | 4 | 2.781 | 0.225 | 0.093 | 0.225 | |
| NKG-275 | NKG-275 | 2.75 | 94 @ .170 | 0.229 | 4 | 2.914 | 0.234 | 0.093 | 0.225 | |
| NKG-287 | NKG-287 | 2.875 | 97 @ .170 | 0.225 | 4 | 3.051 | 0.23 | 0.093 | 0.225 | |
| NKG-300 | NKG-300 | 3 | 100 @ .170 | 0.23 | 4 | 3.182 | 0.235 | 0.093 | 0.225 | |
| NKG-312 | NKG-312 | 3.125 | 103 @ .185 | 0.25 | 4 | 3.315 | 0.255 | 0.111 | 0.281 | |
