Metal case is made of heavy gauge steel, enamel paint finish. Tools are made of chrome vanadium steel, chrome-plated, mirror finish. DIN standard, for manual drive.
1/2" Dr 12pt Socket (metric)?8, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 27, 30, 32 mm 
Ratchet Handle?250mm 
Extension Bar?75, 250 mm 
Sliding T-Handle?250mm 
Universal Joint?72mm