The Force ½″ Dr Impact Extension (Ball) 125 Mm Is A Robust, Impact-Ready Accessory Engineered For Professional Use. Its Chrome-Moly Build, Ball-Detent Retention, And Optimal 125 Mm Length Make It A Reliable Tool—Matching The Quality Of Reputable Brands Like King Tony, Genius Tools, And Action. Drive Size: ½″ Square Drive Type: Impact-Rated Extension Bar With Spring-Loaded Ball Detent Length: 125 Mm (5″) — Ideal For Accessing Recessed Fasteners Material: Chrome‑Molybdenum Alloy Steel, Heat-Treated For Strength Finish: Black Phosphate Or Matte Black Oxide—Designed For Corrosion Resistance And Durability Under Heavy Use