| Part No. | Type | Model | Dia. x Ht. x Arb. | Shape | Mfr. No. |
| Skil | |||||
| kl7875 | General Purp. | All Models | 5 x 3/4 x 5/8 | Offset | 7556 |
| kl7893 | Stellite | All Models | 5 x 3/4 x 5/8 | Offset | |
| kl7866 | Valve Stem | All but 491 | 4 x 1 x 5/8 | Str. Cup | 7557 |
| kl7866R | Ruby-Tone | All but 491 | 4 x 1 x 5/8 | Str. Cup | |