An in line metal barrel adaptor for connecting two phono plugs together. Also available in a gold plated version for maximum reliability. More ...

New edition revised specifically for the UK market Get to grips with electronics theory Start working with electrical parts and equipment Read schematics and build simple circuits Create your own projects from flashing lights to infrared detectors In More ...

Everything you need to pass BOTH parts of the test Multiple Choice contains ALL the OFFICIAL DSA questions Hazard Perception Test unlimited random mock tests Includes The Complete Highway Code Learn on the Go practice OFFICIAL Theory Test questions o More ...