1.Compatible With: Paslode F-350S with O-Ring 502104 Nailers Parts. 2.Heat treated tool steel 6150 - Rockwell hardness 50-52, Aerospace grade #2024 Aluminum piston, Mechanically locked piston driver interface. Package Included： 1 × Aftermarket Piston Driver Brand Unbranded MPN Does Not Apply UPC Does Not Apply Feature ESCP Type Aftermarket Piston Driver Part Type n/a .
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