Premium Chrome Vanadium Steel: Our drive deep-impact sleeve set are made of high quality chrome vanadium steel materials, rugged, high strength, high quality rust ment, with strong anti-rust and corrosion resistance, long service life Professional Design: Our drive deep impact kit are manufactured by international general-purpose standard professional technology, with good performance and high reliability, fully meet daily and professional use requirements Different Sizes: Our drive impact socket set have 12 complete drive impact sleeves, exquisite workmanship, excellent performance, high dimensional accuracy, obvious identification, no size from 24 mm to 41 mm, you can choose freely, you can choose freely With Toolbox: Our 1-inch socket set have a storage box, all parts are neatly installed in this plastic storage box, the storage box size is reasonable, fully meet the storage and carrying of the full set, easy to carry and use Application is Wide: our 1-inch drive deep impact socket set is compatible with most cars, is an excellent after-sales sleeve kit, easy to install and disassemble, effectively improve your productivity, bring a good experience