Sealey 9 piece extra long ball end hex key set sealey ak7140 manufactured from heat treated and hardened chrome vanadium steel with satin chrome finish keys range in length from 92mm to 230mm and in size from 1 5mm to 10mm ball end allows key to drive fixing at up to 30 deg supplied in easy access case with hanging tag for safe storage and quick key selection sealey ak7140 ball end hex key set 9pc extra long metric