Koken 3 8 in Dr 21pc Z Series Socket Set Metric 7 22mm 6 pt MT360 5E IMW1000 Narva MODIFIED INVERTER1000W CCT009F IMW1000 Narva MODIFIED INVERTER1000W 12V Product code: KT74010 3286Z 3 8 SQ DR SOCKET SET BLACK METAL CASE Made In Japan Most Dependable Compact Designed 5 14mm shorter than standard for working in confined spaces Tolerance Hexagon Opening Precisely controlled to achieve a very positive fit between bolt and socket Tolerance Square Drive Precisely controlled to achieve the most secure fit between socket and handle Ball Holding Groove This mechanism gives secure connection between socket and handle Ratchet Handle Smaller head with 36 tooth gear and light ratchet movement allows working in narrow or confined spaces