| WESTON Series | Spectrol Series | NTE Series | Description |
| 566-0HS | 75H | 500-0300 | 1/4" Round, ST, Cermet, Top Adj |
| 830P | 43P | 500-0001 | 3/4" Rectangular, ST, Cermet, Pins |
| 850Y | 64Y | 500-0240 | 3/8" Square, ST, Cermet, Top Adj |
| 860W | 74W | 500-0280 | 1/4" Square, MT, Cermet, Top Adj |
| 860X | 74X | 500-0260 | 1/4" Square, MT, Cermet, Side Adj |
| 950P, 850P | 64P | 500-0170 | 3/8" Square, MT, Cermet, Side Adj |
| 950W, 850W | 64W | 500-0192 | 3/8" Square, MT, Cermet, Top Adj |
| 950X, 850X | 64X | 500-0215 | 3/8" Square, MT, Cermet, Side Adj |