Sizes: 1/4" Square Drive; E4, E5, E6, E7 & E8, 3/8" Square Drive; E10, E11, E12 & E14, 1/2" Square Drive; E16, E18, E20, E22 & E24. Supplied in EVA tray (foam module inlay tray). One of a comprehensive range of Premier Hand Tools, suitable for daily professional use.
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