Survey Marker Caps hold up against chemical exposure and temperatures ranging from –40° to 150°F. This is for a set of 10 caps.
1/2" caps can be driven in to a 3/4", used to cap a pipe or used over 1/2" rebar.
5/8" caps can be driven into a 1" pipe, used to cap a pipe or used over 5/8" rebar.