Feature●✅ 【Corrosion-Resistant and Durabilit】Our socket set is made from high-grade chrome vanadium steel alloy which is heat treated and chrome plated for anti-rusting, greater strength and long-lasting service life.●✅ 【Quick & Easy Socket Change】This ratcheting wrench set comes with a push button ball bearing quick-release mechanism that allows for easy and rapid socket-changing.●✅ 【Wider Application】This socket set comes in compact size with 11 PCS metric and 10 PCS SAE sockets for variable use, one extension bar(3/8" x 3") for better performance in limited space, one ratcheting handle and one spark plug(3/8" x 5/8").●✅【 Easy Storage and Porability】The blow molded storage case is sturdy and designed to make the bits stay put in the slots while carrying.●✅【Popular Socket Size】Metric: 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm. SAE: 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8"Description