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100Pcs Brass Pad Ring Bases Lead Free and Cadmium Free Adjustable Silver Metal Color Size: Ring: about 17mm in inner diameter Tray: about 6mm in diameter - Walmart.com
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O-Ring, Black BUNA/NBR Nitrile Size: 371, Durometer: 70 Nominal Dimensions: Inner Diameter: 8 19/40(8.475) Inches (21.5265Cm), Outer Diameter: 8 17/19(8.895) Inches (22.5933Cm), Cross Section: 17/81(0.21) Inches (5.33mm) Part Number: ORBN371
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