High grade socket set suitable for professional use. Precision machined ratchet with fine 72 tooth movement. (Requires 5 Degree movement to turn a fastener) Includes shallow and deep metric sockets. (sizes 4mm – 13mm) Manufactured from chrome vanadium steel for strength and durability All sockets are fully mirror polished and feature a knurled ring for better grip in oily conditions. Single hex (6 sided) sockets fit fasteners securely and are less likely to round fasteners. SET INCLUDES • 1/4" Square Drive reversible 72 tooth ratchet. (total length 150mm) Features quick release socket locking button. • 1/4" Drive universal joint. • 1/4" Drive screwdriver spinner handle. • 2pc 1/4" Drive extension bars – 50mm and 150mm lengths. • 9pc 1/4" Drive shallow sockets – 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 12mm and 13mm • 9pc 1/4" Drive deep sockets - 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 12mm and 13mm Supplied in a metal storage case for easy storage and transportation.