Features and Benefits: Extra-long 18" 100-tooth ratchet for 1/2? drive Astro Nano style impact sockets with 22mm outside hex; Designed to access and retain Nano style impact sockets from Astro as well as a growing number of brands replicating this design; Maintains a low-profile working height of just 1.10? with sockets installed; Maximized peak torque durability to match larger and larger 1/2? drive socket sizes;
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