Draper expert 30mm drive reversible vortex ratchet draper expert 40904 b i expert quality i b manufactured from chrome vanadium steel hardened tempered chrome plated and polished for corrosion protection for use with draper expert vortex sockets forward reverse selector and plastic infill handle display packed br br b manufactured and tested generally in accordance with din3122 and iso3315 specifications b br br draper expert 40904 30mm drive reversible vortex ratchet