Valve Packing Wrenches are combination tools that help maintain valves without stripping the nuts or gouging the wheel rims. One end is an adjustable wrench while the other end provides leverage to turn valve wheels with up to 5/8" thick rims. They fit O style valve wheels. The adjustable wrench end is great for hex nuts including packing nuts on valve stems. Valve packing wrenches are lightweight for easy portability. REED Hand Tools are for the professional trade and are warranted against all failure due to defects in workmanship and materials for the normal life of the tool.2Adjustable wrench end for hex or packing nuts with the other end for O-style valve wheels | Combines two tools needed for regular maintenance and valve operation | Fits "O" style valve wheels | Wrench Capacity: 15/16" | Wrench Capacity: 23.8 mm