Professional tool for commercial or occasional use T Bar / handle imperial allen keys T handle design increases turning power as well as providing a sure comfortable grip Ergonomic soft handle grip handles make it a lot more comfortable to use Manufactured from chrome vanadium steel for strength and durability Black oxide finish to prevent rust and corrosion resistance Comes in a metal storage stand / hanging rack for easy storage and transportation Imperial allen keys SET INCLUDES THE FOLLOWING SIZES -3/32" Imperial Allen Key - Total length of the allen key 80mm -7/64" Imperial Allen Key - Total length of the allen key 86mm -1/8" Imperial Allen Key - Total length of the allen key 92mm -9/64" Imperial Allen Key - Total length of the allen key 100mm -5/32" Imperial Allen Key - Total length of the allen key 105mm -3/16" Imperial Allen Key - Total length of the allen key 110mm -7/32" Imperial Allen Key - Total length of the allen key 105mm -1/4" Imperial Allen Key - Total length of the allen key 111mm -5/16" Imperial Allen Key - Total length of the allen key 120mm -3/8" Imperial Allen Key - Total length of the allen key 125mm Extra long allen keys for access into tight restricted areas