High quality Wiha "Sys 4" Extension for 4 mm shank Micro Bits. 3-3/4" overall length. Magnetic. Made in Germany.,For California Residents:,   WARNING: Cancer & Reproductive Harm - www.P65Warnings.ca.gov,WARNING: Drilling, sawing, sanding or machining wood products can expose you to wood dust, a substance known to the State of California to cause cancer. Avoid inhaling wood dust or use a dust mask or other safeguards for personal protection. For more information go to www.P65Warnings.ca.gov/wood Wiha "Sys 4" Extension for Micro Bits - Magnetic