• One of a comprehensive range of Premier Hand Tools, suitable for daily professional use.• Drop-forged Chrome Vanadium steel sockets with S2 steel TRX-P* bits.• Sockets are hardened and heat treated with a fully polished finish for resistance to corrosion.• TRX-P* fixings are now commonplace on modern vehicles and if a TRX-Star* bit is used on a TRX-P* fixing it can result in damage to the fastener and tool.• Always ensure the correct bit is used for each application. Note TRX-P* bits do not fit regular TRX-Star* fixings.• Knurled ring for extra grip.• Sizes: TP10, TP15, TP20, TP25, TP27, TP30, TP40, TP45, TP50.• Supplied on socket rail.• Lifetime guarantee*.Drop-forged Chrome Vanadium steel sockets with S2 steel TRX-P* bits. Sockets are hardened and heat treated with a fully polished finish for resistance to corrosion. Knurled ring for extra grip. Supplied on socket rail.• Drop-forged Chrome Vanadium steel sockets with S2 steel TRX-P* bits. • Sockets are hardened and heat treated wit