Double Ring Spanner (18x19)

At smaller sizes there is a genuine argument for an open jaw: it slides on from the side, it reaches fastenings a ring cannot be dropped onto, and the loads are modest enough that gripping two faces is usually adequate. As the sizes climb, that balance shifts. The forces needed to move an 18 or 19mm fixing are high enough that an open jaw is being asked for a great deal, and a jaw gripping only two of the six faces spreads slightly under that load, rides towards the corners, and starts taking the head apart. Every additional millimetre of size makes the ring the better answer.

So a double ended spanner at this size being ring at both ends is not a limitation of the design. It is the correct choice, and it is why the pattern exists.

Eighteen is also the second of the two sizes the fifteen piece combination set leaves out, which makes this pair worth a look for anyone equipping from that set.

There is a practical note about handling. A double ring spanner in these sizes is a substantial forging with a heavy ring at each end and a long span between them, so it is nose heavy whichever way round you hold it, and it does not balance in the hand the way a small one does. Use two hands on anything tight, seat the ring fully down onto the head before you load it, and think about where the spanner and your hands will travel when the fastener releases.

Eighteen and nineteen millimetre heads appear on vehicle and heavy vehicle suspension and chassis work, machinery and plant mountings, agricultural and earthmoving equipment, structural steelwork and heavy fabrication.

Forged chrome vanadium, hardened and tempered, satin matt chrome plated.

Buyers are vehicle, heavy vehicle and trailer workshops, plant and machinery fitters, agricultural engineers, structural fabricators and industrial hardware dealers.

Ask on 94 77 111 8880 for a price on this pair or across the range, and we will deliver anywhere in the island.