Specifications: Flexible extension bar set is professional tool for commercial or occasional use. Bar adapter is manufactured from chrome vanadium steel for strength and durability. Flexible adapter could flex through 90 degrees fir access into real tight areas. Extension bar makes it easier to tighten or loosen nuts / bolts and other fasteners that are situated in awkward hard to reach places with limited space to move. Item Name: Drive Flexible Extension Bar Adapter Material: Chrome Vanadium Steel Features: Durable, Wide Application, Professional Size Details: Hose Sleeve 1/4 6 Inch: Length: 150mm/6" (Approx.) Hose Sleeve 1/4 10 Inch: Length: 250mm/10" (Approx.) Hose Sleeve 3/8 8 Inch: Length: 200mm/8" (Approx.) Hose Sleeve 3/8 12 Inch: Length: 300mm/12" (Approx.) Notes: Due to the light and screen setting difference, the items color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Drive Flexible Extension Bar Adapter