Feature: 1. 10 Pieces Set: complete set includes 3 extension bars, 3 power drill adapters, 4 impact driver socket adapters. 2. Extra Durability: each is made of high hardness chrome vanadium steel, with black coating finish for rust \u0026 corrosion conservation. 3. Enough Length: ultra long extension bars, deliver superior coverage, reaching narrow space, to tackle hard-to-access fasteners. 4. Secure Hold: spring loaded detent ball on adapter end locks the socket in place securely \u0026 precisely, prevents any slipping or dropping. 5. Wide Application: this hand tool is suitable for car repair, DIY and most general home repairs. Specification: Features: 10 Pieces Set:complete set includes 3 extension bars, 3 power drill adapters, 4 impact driver socket adapters. Extra Durability:each is made of high hardness chrome vanadium steel, with black coating finish for rust & corrosion conservation. Enough Length:ultra long extension bars, deliver superior coverage, reaching narrow space, to tackle hard-to-access fasteners. Secure Hold:spring loaded detent ball on adapter end locks the socket in place securely & precisely, prevents any slipping or dropping. Wide Application:this hand tool is suitable for car repair, DIY and most general home repairs. Specifications: Material: CR-V Color: Black Extension Bar: 3 inch, 5 inch, 10 inch Power Drill Adapter: 1/4 inch x 1/4 inch x 65mm, 3/8 inch x 1/4 inch x 65mm, 1/2 inch x 1/4 inch x 73mm Impact Driver Socket Adapter: 3/8 inch(F) x 1/4 inch(M), 1/2 inch(F) x 3/8 inch(M), 1/4 inch(F) x 3/8 inch(M), 3/8 inch(F) x 1/2 inch(M) Product Size: 27.5*12*3cm / 10.82*4.72*1.18in Product Weight: 1064g / 37.53oz Package Size: 28*12.5*3.5cm / 11.02*4.92*1.37in Package Weight: 1103g / 38.90oz Note: Impact extension bar and adapter set only, other accessories in the pictures are not included. Due to manual measurement, there may be deviation, please in kind prevail. Due to lighting or other reasons, the picture and material object may slightly differ. Packing List: 1 * Impact Extension Bar & Adapter Set Package List: 1 * Impact Extension Bar & Adapter Set