COMPLETE KIT – The JET 9 pc set (product # 720564) includes slotted round shank sizes, cabinet tip sizes, Phillips screwdrivers, and Robertson/square screwdrivers. STRONGER THAN CrV – Our patented SVCM (silicone vanadium chrome magnesium) tool steel is up to 30% stronger than CrV (chrome vanadium) screwdrivers, and is tempered to provide superior durability. BEST FIT – Non magnetic, precision machined, chrome plated, blackened tips fit perfectly in all screw types & are corrosion resistant. Tip size & style are marked on handles for easy identification. ERGONOMIC HANDLES - Super strong acetate handles protect against impact and chemicals. Cushioned grip handle offers increased torque and comfort while getting any repair or home improvement job done. JET QUALITY - JET is a leading brand of industrial and automotive tools and equipment in Canada. We offer over 7,500 products consisting of premium tools that get the job done safely & efficiently.