Koken 1 4 in Dr 17pc Z Series Socket Set Metric 4 14mm 6 pt KT3611 10R 2 short tails with fitted DDC003 2 short tails with fitted plugs A heavy duty green jacket is impervious to most chemicals and abrasion 12–10 22–14 (AWG) Set Contains: 1 4in Dr Ratchet 2725Z 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