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Huck Magna-GR MGC-R12U-PKT Lockbolt Collar; 3/8 Inch (0.375 Inch), Standard FLNG Collar, Grade 2 Steel, Zinc YLW Dyed: Amazon.com: Industrial & Scientific
HUCK MAGNA-LOK Lockbolt Collar: Steel, 1/4 in Rivet Dia., Std Flange, 10 PK - 6NCW8|3LC-2R8G-PKT - Grainger
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