This draper 8 piece hi torqreg metric reversible double ratcheting combi spanner set features the unique ratcheting open end design and hi torqreg reversible ratchet ring ends the ratchets require only 5deg of movement to turn the fastener both of the ratcheting facilities are especially useful in confined spaces the spanners are forged from chrome vanadium steel that is hardened tempered chrome plated and fully polished throughout