This Blue Spot adaptor set contains 4 adaptors, each manufactured from chrome vanadium, hardened and tempered for durability. They have spring loaded ball bearings to hold sockets securely. The set contains the following adaptors: 1/4in Female > 3/8in Male 3/8in Female > 1/4in Male 1/2in Male > 3/8in Female 1/2in Female > 3/8in Male https://elecena.pl/product/27272220/bluespot-tools-02078-adaptor-set-4-piece 2024-11-14 https://elecena.pl/product/27272220/bluespot-tools-02078-adaptor-set-4-piece 2025-03-16 https://elecena.pl/product/27272220/bluespot-tools-02078-adaptor-set-4-piece 2025-03-27 https://elecena.pl/product/27272220/bluespot-tools-02078-adaptor-set-4-piece 2025-09-03 https://elecena.pl/product/27272220/bluespot-tools-02078-adaptor-set-4-piece 2025-11-27