Precision engineered, high quality adjustable wrench/spanner 14% wider jaw than standard pattern The T4366 250 from CK Tools is an adjustable wrench. It is manufactured from drop forged chrome vanadium steel for strength and durability. The precision ground, fully polished jaws are for secure nut fixing The extra wide jaw opening gives up to 26% more capacity (over standard models). K adjustable wrench (sometimes called monkey wrench or adjustable spanner) is a precision manufactured tool for the tightening and loosening of a wide range of sizes of nuts and bolts. 9072PC Chrome Adjustable Wrench 250mm (10in) - Reversible Jaw - Adjustable Wrenches - Wrenches Product Overview. The T4366 250 from CK Tools is an adjustable wrench. It is manufactured from drop forged chrome vanadium steel for strength and durability Size markings on the polished jaws are easy to see and make it easy to match nut/bolt head sizes. A truly industrial quality tool. Slimline jaw for use in confined spaces Wide Jaw 250mm C. K Tools T4366 250 250mm Adjustable Wrench Metric and inch graduations marked for easy size selection