120mm long and deep broached for extra-deep reach; Provides access to recessed areas with extra long bolts, as found on some bumpers, rear lamps, glow plugs and door hinge fittings, including: Diesel glow plugs (10mm, 12mm, 17mm), Benz C-Class (W204) rear bumper covers (10mm, 12mm), BMW N54 Twin-turbo valve cover bolts (12mm), BMW E90/92 Lug Nuts (17mm), BMW Spark Plugs (14mm), BMW E90/92 Clutch Bleeder Valve (11mm), Ford 7.3L glow plugs (10mm), & other common Euro applications.; 3/8" square drive; Includes 3/8" to 1/4" drive adapter; Visit webpage of individual sockets for more details and applications; Includes sizes: 1708 - 8mm; 1709 - 9mm; 1710 - 10mm; 1711 - 11mm; 1712 - 12mm; 1713 - 13mm; 1714 - 14mm; 1715 - 15mm; 1716 - 16mm; 1717 - 17mm; 1718 - 18mm; 1438 - 3/8" to 1/4" Adapter