DROP FORGED CONSTRUCTION: Made from drop forged steel for maximum strength and durability CORROSION RESISTANT: Full polish chrome plating helps prevent rusting and corrosion ORGANIZED STORAGE: Includes a roll-up pouch for convenient storage and portability 13 ESSENTIAL SIZES: Set includes 20mm to 32mm sizes (20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32mm) to tackle a wide range of fasteners LARGE SET: Large metric wrenchs complement any standard set