Professional tool for commercial or occasional use 12" standard adjustable spanner - Suitable for all uses at work or around the home - Manufactured from chrome vanadium steel for strength and durability - Thick ends on the adjustable spanner for maximum grip on the nuts / bolts Precision machined finishing jaws - Spanner has a cut out on the end so that they can be hung up for easy and convenient storage - Maximum opening of the adjustable spanner 0mm - 33mm - Total length of the adjustable spanner 300mm / 12 inch