Out this item package contents 7, Piece 41641, Piece drive hex bit metric socket set 6mm, 8mm, 10mm, 12mm, 14mm, 17mm, 19mm compact case for easy transport and storage matches or goes beyond applicable ansi and din standards. Double nickel chromium alloy coated tip reduces corrosion locking mechanism retains sockets to make your work safer and more productive patented gripping designed to out perform conventional drive configuration reduces the chance of rounding fastener corners and extends fastener life enables to turn worn or rounded fasteners all stanley 7 pieces 1/2 inch sq. Drive metric socket set, Are created with the incorporation of top-notch quality assured sophisticated and top-tier techniques, Which make them reaching a maximum of standard in this remarkable challenging field limited life time warranty offered on the product