Stubborn screws won't shift? Very often they will using this impact driver. One or two sharp blows with a hammer normally does the trick. Suits most poular types of screw heads.

This Draper 12 Piece Impact Screwdriver Set has forward/reverse rotation and an impact absorbing hand grip. It is supplied with bit holder and a range of the most common screwdriver bits. The bit holder can be removed so you can use a 1/2" socket...

A robust Impact Driver set with socket and bit adaptors and 9 x 36mm long bits.