Universal 4-in-1 Ratcheting Drill Chuck Key Set – Magnetic Reversible Handle with 3 Heads Quick-Reverse Ratchet Control Toggle between forward and reverse with a thumb flick—no hand repositioning needed. Ideal for tight spaces and speedy bit swaps on the job. Universal Fit with 3 Chuck Heads Handles nearly all keyed chucks 1.5–10 mm ▪ 1.5–13 mm ▪ 3–16 mm. Quick-swap heads click securely into place—works with handheld drills, presses, and more. Magnet-Lock Tips Powerful rare-earth magnets hold each key snugly—no wobble, no drop risk, no gear damage under pressure. Heavy-Duty Build, Workshop Tough Made from heat-treated Cr-Mo steel with a rust-resistant matte finish. The ribbed TPU grip stays secure—even with oily hands. Compact and Ready-to-Go At only5.9 in / 150 mmit slips into your tool apron, car kit, or hobby drawer—always on hand when a powered chuck isn’t an option. Technical Specifications Handle Length 150 mm / 5.9 in Handle OD 23 mm / 0.90 in Material Cr-Mo alloy steel + TPU grip Ratchet Action Forward / Reverse, 24-tooth pawl Chuck Key Sizes (gear OD × pilot OD) 29×8 mm (3-16 mm chuck) 27×6 mm (1.5-13 mm chuck) 24×5 mm (1.5-10 mm chuck) Pilot Shank 6.35 mm / ¼″ hex Weight (set) ≈ 165 g / 5.8 oz What’s in the Box 1 × Reversible ratchet handle 3 × Magnetic chuck-key heads (10 mm / 13 mm / 16 mm) 1 × Compact storage pouch Quick Start Guide Choose the head that fits your chuck gear. Insert into ratchet until magnetic lock clicks. Flip selector—CW to tighten, CCW to loosen. Engage chuck and rotate until fully locked or released. Best Suited For Workshops ▪ Auto mechanics ▪ Repair teams ▪ Home DIYers ▪ Hobbyists using legacy drill models