FOCMKEAS 1″ Drive by 6″ Impact Extension Bar with Locking Pin, Impact Socket Extension, CR-MO Steel

【SIZE】1 inch drive, 6 inchs (150mm) overall length, 【MATERIAL】Made by heat Black chrome molybdenum steel, provides the strength and flexibility to handle high torque impact tools. Black phosphate finish for extra durability and anti-corrosion., 【RADIUSED CONERS DESIGN】Radiused corners inside drive avoid stress concentrations to causing possible cracking., 【SECURE CONNECTION】Spring-loaded retaining balls latch into sockets and hold them securely in place., 【MAKE IT EASY】 Use with impact wrenches and extends access to hard-to-reach fasteners in tight spots, suit for any industrial, mechanic, or construction and DIY work.