Professional ball end hex key set made with ProTanium high toque steel; the most durable steel available worldwide. If you want the best Trust Bondhus Made in USA! View ALL Our Hex Tools HERE! - SAE (13pc).050, 1/16, 5/64, 3/32, 7/16, 1/8, 9/64, 5/32, 3/16, 7/32, 1/4, 5/16, 3/8in.
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