Description Inch Sets Manufactured from fully hardened carbon steel in accordance with DIN 911. A quality ductile key with precision cut ends and accurate AF dimensional to ensure maximum socket contact. Ball end allows up to 30 work offset. Long arm end is ball drive and short arm end plain. Black oxidised finish. KEN6025730K Inch 7 Piece Set Contents: 5/64 #34;, 3/32 #34;, 7/64 #34;, 1/8 #34;, 9/64 #34;, 5/32 #34; and 3/16 #34;. Inch 9 Piece Set Contents: 5/64 #34;, 3/32 #34;, 1/8 #34;, 5/32 #34;, 3/16 #34;, 7/32 #34;, 1/4 #34;, 5/16 #34; and 3/8 #34;. Supplied in a plastic storage clip. Tip Material Steel Number of Pieces 9 Tip Type Hex Ball Standards Met DIN 911 Tip Size 1/4 #34;