Highlights: Full-range deep metric socket set Sizes 6mm to 21mm 120mm long Broached for extra-deep reach Includes 2 drive adapters 1/2" to 3/8" & 3/8" to 1/4" 3/8" & 1/2" square drive Provides access to recessed areas with extra long bolts, found on valve cover bolts (7mm), 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), and more Features: The CTA Tools 17 Pc. Deep Socket Set is built to handle hard-to-reach fasteners in recessed areas across a range of automotive applications. This full-range set includes 18 broached, deep sockets in sizes from 6mm to 21mm, each measuring 120mm long for extra reach. Designed for 3/8-inch and 1/2-inch square drive tools, the set also includes two color-coded adapters - 1/2" to 3/8" and 3/8" to 1/4" - to expand tool compatibility. With precise access to components such as valve cover bolts, diesel glow plugs, and spark plugs in various BMW, Benz, and Ford models, this set is well-suited for service technicians. The CTA Tools 17 Pc. Deep Metric Socket Set is color-coded for quick identification and organized use. Includes: 18 sockets (each color-coded for quick identification): 1175 - 6mm 12.5mm 1176 - 7mm 12.5mm 1708 - 8mm 12.3mm 1709 - 9mm 13.35mm 1710 - 10mm 14.35mm 1711 - 11mm 15.35mm 1712 - 12mm 16.25mm 1713 - 13mm 17.5mm 1714 - 14mm 19.75mm 1715 - 15mm 21.5mm 1716 - 16mm 21.65mm 1717 - 17mm 23.75mm 1718 - 18mm 25.75mm 1177 - 19mm 25.75mm 1178 - 20mm 27.55mm 1179 - 21mm 27.55mm 2 Adapters (each color-coded for quick identification): 1438 - 3/8" to 1/4" 1439 - 1/2" to 3/8"