Home Smallest Head Size! Milwaukee Tool M12 FUEL 3/8" and 1/4" Extended Reach High-Speed Ratchet 2569-21 Smallest Head Size! Milwaukee Tool M12 FUEL 3/8" and 1/4" Extended Reach High-Speed Ratchet 2569-21 Tweet on Twitter Share on Facebook Pinterest See the best selling D.I.Y tools here! Check out the top brands of D.I.Y tools here! Here are some great Deals & Savings in Tools & Home Improvement!