Draper expert 31 piece 1 2 sq dr metric socket set draper expert 43647 b i expert quality i b chrome vanadium steel hardened tempered and satin chrome plated for corrosion protection sockets have knurled ring for extra grip packed in steel carrying case with laser cut foam insert and display sleeve br br b manufactured and tested generally in accordance with din3122 and iso3315 specifications b br br draper expert hi torq 174 is a registered trademark of draper tools ltd