It works with all types of tools and steel qualities including HSS

View Techncal Data Sheet Here

If the metal wears away too slowly

corresponding to 16 injuries per working day

SP Tools Custom Series Tool Kit 244Pce Workshop Metric / SAE - Black / Chrome SP50104 Colour:Black / Chrome It works with all typesTOOLS INCLUDED IN THIS TOOL KIT 1 4Dr SOCKETS & ACCESSORIES 12pt 4, 5, 6, 7, 8, 9, 10, 11, 12 & 13mm 12pt 3 16, 7 32, 1 4, 9 32, 5 16, 11 32, 3 8, 7 16 & 1 2 45T Ratchet, Flex Handle & Universal Joint Extension Bars 50 & 150mm 3 8Dr SOCKETS & ACCESSORIES 12pt 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21 & 22mm 12pt 1 4, 5 16, 3 8, 7 16, 1 2, 9 16, 5 8, 11 16, 3 4, 13 16 & 7 8 Spark Plug Sockets 5 8 & 13 16 45T Ratchet, Flex Handle &