Siegen s0983 ratchet ring spanner 4 in 1 reversible metric siegen tools s0983 p this ratchet ring spanner from siegen has been manufactured from chrome vanadium steel hardened and tempered with a fully polished finish innovative ring design allows four different sizes on one spanner the 72 tooth ratchet rings require only 5 ordm rotation to pick up the next tooth ideal for applications where space is limited p siegen s0983 ratchet ring spanner 4 in 1 reversible metric