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Snap-on PMP303 | 1/4 in Drive Metric 3 mm Pipe Plug Socket | 3 mm, 1/4 in drive
The PMP303 is a 3 mm pipe plug socket with a 1/4 in drive and a length of 22.2 mm. Snap-on lists it for adjusting the intake and exhaust valve rocker arms on Mercury Marine four-stroke outboard motors. Snap-on files it under 1/4 in Drive Tools > Special Application Sockets > Pipe Plug, mm (1/4 in). Listed figures include drive size 1/4 in, length 22.2 mm, drive end dia. 12.1 mm.
Key features
- Listed for 10, 15, 20, 25 and 30 HP motors
- Drive end diameter 12.1 mm
- Made from domestic steel
- Square drive size 1/4 in
- Specifications
| Part Number | PMP303 |
| Brand | Snap-on |
| Size (mm) | 3 |
| Drive Size (in) | 1/4 |
| Length (mm) | 22.2 |
| Drive End Dia. (mm) | 12.1 |
| Country of Origin | USA |
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