Shockwave 1-7/8 '' magnetic nut driver set is with a trademarked steel and heat treated process ensuring uttermost strength and durability. a influential magnetic tip for a obtain grip with color coded band allowing for hassle-free size identification and chamfered edge to easily fasten in soaked spaces. The accessible 4 piece kit a Shockwave 1-7/8 '' magnetic nut driver 1/4 '', Shockwave 1-7/8 '' magnetic nut driver 5/16 '', Shockwave 1-7/8 '' magnetic nut driver 3/8 '' and Shockwave 1-7/8 '' magnetic nut driver 7/16 ''.