Felo 413 Series Ergonic Screwdriver Set 6pc Insulated Flat, Phillips & Square Socket Sets PW6 3 4"Dr Impact Rear Wheel PW6 3 4"Dr Impact Rear Wheel Nut Socket 17 x 53mm Full Force meets or exceeds all ASTM and SAE performance standards for corrosion protection for auto mobiles and heavy duty engines VDE tests are performed according to IEC 60900 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