This key is used to operate 297 and 298 series vent locks and concealed locks. It is also available in two hex sizes and with or without drilled hole for security pins.
| “A” Dim Hex Size | “B” Dim Pin Hole | Part Number |
| 7/32”
5.6 mm |
1/8”
3.2 mm |
220 019 |
| 7/32”
5.6 mm |
None | 220 004 |
| 1/4”
6.4 mm |
9/64”
3.6 mm |
220 020 |
| 1/4”
6.4 mm |
None | 220 039 |
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