Siegen 16 piece metric combination ratchet spanner set siegen tools s0869 the siegen combination ratchet spanner set 16 piece metric is a chrome vanadium steel combination nbsp set nbsp featuring a nbsp 72 tooth ratchet ring and gear set requiring only 5 ordm rotation to pick up next ratchet tooth ideal for applications where space is limited siegen s0869 combination ratchet spanner set 16pc metric