Key-Bak Industrial Retractable Reel with 48" Stainless Steel Cable, Plain Back, Black Front, 8 oz. Retraction, Split Ring Proudly made in the USA by the company that invented the personal retractor in 1948 Light and compact steel case with black front has a diameter of 2 inches (5 cm), and .375 inches (12.7 cm) thick Light and compact steel case with black front has a diameter of 2 inches (5 cm), and .375 inches (12.7 cm) thick Stainless steel spring, tested in excess of 1,000,000 retraction cycles Made in the USA by the company that invented the personal retractor in 1948 Protected by the KEY-BAK Lifetime Service Plan