Surv-Kap survey markers for pipe or conduit are a permanent aluminum survey marker designed to fit inside 3/4", 1" or 2" pipe/conduit. All Surv-Kaps for pipe/conduit feature a tapered stem which conforms to the pipe opening and holds secure.
 
No charge for stamping 25+ caps with identical stamping ($20 stamping charge for 1-24 caps)
Magnets Optional - 50¢ each