Radiator Valve Spud Wrench is designed for making radiator valve repairs and can be used on 1/2" to 2" radiator valves. 

Features:

✦ Radiator Valve Spud Wrench is designed for making radiator valve repairs　
　and can be used on 1/2",3/4",1",1-1/4",1-1/2" and 2" radiator valves.
✦ A radiator valve body is connected to the radiator by a spud.
✦ In order to remove the radiator valve a spud wrench such as this is required to　
　loosen the spud.
✦ A spud wrench has grooves running down the side which grip a pair of nubs on the　
　interior of the spud as the wrench is inserted into it, tightly securing it.
✦ It is a heavy duty tool and made from zinc.