Draper expert 31 piece 1 2 sq dr metric 12 point socket set draper expert 43637 b i expert quality i b chrome vanadium steel hardened tempered chrome plated and polished for corrosion protection sockets have knurled ring for extra grip packed in handy zip carrying case with web strap handles and quality foam insert display packed br br b manufactured and tested generally in accordance with din3122 and iso3315 specifications b br br draper expert hi torq 174 is a registe