Hazet HAZET 8858-1 Bit adapter Drive (screwdriver) 3/8 (10 mm) Downforce 1/2 (12.5 mm) 36 mm 1 pc(s)

Square socket drive 10 = 3/8" · chrome vanadium · Surface: chrome-plated · DIN 3123, ISO 3316 · Square outside drive 12.5 = 1/2"

Price: 19.99 from Conrad Electronic