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Corff Crwn Pen Fflat Pen Agored Cnau Rhybed gyda Knurls
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Pen Tenau (Pen Gostyngol) Corff Crwn Pen Agored Rhybed Cnau gyda Knurls
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Pen fflat hanner hecs corff pen agored rhybed cnau gyda Knurls
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Pen Tenau (Pen Gostyngol) Corff Hecs Cnau Rhybed Pen Agored gyda Knurls
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Cnau Rhybed Pen CSK
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Corff Hecs Pen Fflat Ar gau Diwedd Rivet Nut