Nickel plated steel springs. I measured .175" diameter, .747" long. Set of 12 for use in mounting pickups on American Deluxe series, Sub-Sonic, Highway One™, Cyclone™, Classic and Deluxe series instruments with humbucking pickups manufactured from 1997-present. Brand New. Genuine Fender 0050167049. UPC 717669071196.

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