Sealey Siegen Socket Set 1/4″, 3/8″ & 1/2″Sq Drive 219pc. Part of the Siegen by Sealey range of quality tools at competitive prices. Accessories: 1/4″Sq Drive; Extension Bars – 50, 100mm, Universal Joint, Sliding T-Bar, Spinner Handle, 1/4″Hex Adaptor, 1/4″Sq Drive; Bit Screwdriver, Bit Holder, 3/8″Sq Drive; Extension Bar – 125mm, Spark Plug Socket; 18mm, Universal Joint, Bit Holder, 1/2″Sq Drive; Extension Bars – 125, 250mm, Spark Plug Sockets; 16, 21mm, Universal Joint, Bit Holder, 10mm Hex Adaptor, T-Bar Adaptor.