Stahlwille 10 mm (3/8") Bit holder internal hex inside square L.32 mm: Amazon.com: Tools & Home Improvement
Stahlwille 11180010 412 Bit Holder, 1/4" Internal Hex Drive, Easy to Insert, Locks Securely, High Performance Steel, Length 25mm, Weight 14g, Made in Germany: Amazon.com: Tools & Home Improvement