I bought a set of these just for my pit bag as i use Hudy tools but fed up of my tools going walk about out of my pit bag on race weekends ,so decided enough was enough and bought these.I used them for 3 weeks now and had no problems or issues with them and the beauty of these are that when they start to rond of dremmel of the tip and then gives you the same driver all the way up the stem;
http://www.ebay.co.uk/itm/3707674936...#ht_1309wt_798