The Blast is the first of three models to feature new contoured handle grips with Zytel inserts to provide great grip & ergonomic comfort whether working for a few minutes or a few hours! The Blast also gets the new more powerful pliers with integrated wire cutters & through clever adaption of some of the tool designs; many are now multi tasking greatly reducing the number of tools needed & therefore the weight & overall tool size. The Blast is also compatible with a new removable bit driver complete with a number of bits greatly increasing the tasks you can tackle.