Felo 413 Series Ergonic Screwdriver Set 6pc Insulated Flat, Phillips & Square Socket Sets Seals joints against leakage Seals joints against leakage Full hand texture inside and outside #2 x 100mm 413 Series Ergonic Screwdriver Set 6pc Insulated¦Ergonic handle conforms complete to users hand providing the ability to generate up to 30 percent more torque ¦Blade type printed on top and on grip of handle for fast identification of screwdriver tip type ¦Impact Proof Handle w hanging hole for easy storage or inserting lever ¦Anti roll handle design resists rolling on inclined or vibrating surfaces ¦Blades made of Chrome Molybdenum Vanadium steel ¦Precision machined black tips ensures the screwdriver tip always fits easily and precisely into the screw head ¦certified to 1