3 PCS SWIVEL BITS-360 DEGREE ROTATABLE: -360 degree rotatable socket adapter adopts a special spherical design, which can evenly distribute the torque load on a greater surface area; Allow access to a narrower workplace, convenient to use, effort-saving, significantly improves work performance; Specifically designed for impact use, featured with spring-loaded detent balls to hold sockets securely in place. Sockets Snap-On Tightly and Won't Slip Off. A must-have tool set in your tool box;PREMIUM MATERIAL FOR LONG USE: -This impact socket adapter set includes 6PCS impact extensions with 1/4 hex shank made of heavy-duty chrome-vanadium steel, sturdy, reliable, ensuring long use; 3 MOST WIDELY-USED SIZES: -1/4" drive adapter, 3/8" drive adapter, and 1/2" drive adapter, each with a 1/4-inch hex shank driver socket wrench adapter set. 1/4" 3/8" 1/2" impact socket extension turn any power drill into a power nut driver; 3 pcs rotatable and 3 pcs straight;GREAT IMPACT EXTENSION FOR TIGHT SPACE: -6 PCS impact extensions allowing access to narrow confined and tight space make your power tool hand tools more versatile; A must-have addition to your tool box;FEATURE: -This impact socket adapter set are designed for impact use, featured with spring-loaded detent balls to hold sockets securely in place. Sockets Snap-On Tightly and Won't Slip Off. A must-have tool set in your tool box.