Shop-Tek / C-H 2pcs Multi-function Universal Quick Snap N Grip Adjustable Wrench Spanner Set - Sold by Ucostore Only Large wrench fits for size: 23 -32 mm (29/32" - 1-1/4") Small wrench fits for size: 9 - 22 mm (11/32" - 7/8") Two universal wrenches that adapt to all kinds of bolts and nuts with just one hand movement Effective, practical, light weight system. Ideal plumbing, carpentry, mechanical and garden work They are the solution to your problems with taps, valves, pipes and piping, radiators boilers, wheel