It is made by Sparky and costs twice the price - Sparky is £99 from
Screwfix. And Trend sell all the spare parts too.

http://www.trend-uk.com/en/UK/product/product_list.php?list_type=6&list_value=impact+dri ver

The Sparky
http://www.screwfix.com/sfd/i/cat/27/p3693327_x.jpg?

Trend T50
http://tinyurl.com/2yo952