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The KNK 3x4mm Aluminum Spacers are great to have on hand for any custom build. At 4mm long, with a 3mm inner diameter and a 6mm outer diameter, these spacers can be used in a variety of applications and are great for any other use that needs a precision machined spacer. Package includes twenty five 4mm long spacers.
This product was added to our catalog on November 22, 2017