Features & Benefits: Set includes: 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19 and 20mm; Extensions: 3, 6 and 10"; Fully insulated 3/8" drive reversible ratchet with quick release; Manufactured in Taiwan to DIN and individually certified to EN 60900; Components carry gs/vde certification and tested and certified to 1000 vac; Pahs free; Tough storage case included ;