IMPACT WRENCH EXTENSION KIT: This set contains 1/4-inch drive extensions in 2-inch, 4-inch, and 6-inch; 3/8-inch drive extensions in 3-inch, 6-inch, and 10-inch; and 1/2-inch drive extensions in 3-inch, 5-inch, and 10-inch. It also comes with a high-quality storage tray suitable for your tool box or bench. The laser-etched size mark on the extension bar makes it easy to identify the one you need, even in low light. As the mark is durable and not easily worn, it can be seen for a long time
HIGH QUALITY: Extensions are made of Deformation-Resistant Chrome Vanadium Steel. It can withstand the pressure of great torque changes due to its high-temperature treatment, which won't break easily even under great pressure. Black phosphate finish provides strong wear resistance and corrosion resistance
PREMIUM COATING: Our extension bars has black manganese phosphate coating on surface, which is better than the traditional black oxide coating adopted by others. Black manganese phosphate coating is a quality corrosion resistance and rust resistance function, reduces friction with other fasteners and ensures maximum durability
LONG REACH WRENCH EXTENSION BARS: Any impact extension bar can access hard-to-reach fasteners easily, allowing rapid loosening of bolts and nuts. No worries about being unable to work in a narrow workspace. Ideal for bike, auto repairs or industrial jobs, and they can be used with other tools
SPRING LOADED BALL DESIGN: Are you worried that the extension will fall off accidentally during work? PGROUP extension bars will be your first choice to avoid this disaster! This spring-loaded detent ball of the impact extension bar with amazing performance, prevents the socket from falling. Thanks to through - hole in the drive ends, it can be firmly locked on the drive tang
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