Sealey 18 piece long trx star hex key set sealey premier ak7157 manufactured from hardened and tempered chrome vanadium steel with satin finish ball end allows hex keys to drive fixing at up to 30 sizes from 1 5mm to 10mm hex ball end long element and t10 to t50 trx star security short element includes power bar to aid comfort whilst driving stubborn fixings supplied in deluxe zipped storage case sealey ak7157 trx star and hex key set long 18pc