One center punch fits any and all size of pipe 4" and up!
The Sumner Universal Center Punch has the same features found on Sumner's Center Punch, but with unlimited capacity. Magnetic arms attach to the steel surface to assure accurate location when using the punch's spring-loaded striking hammer.
Adjustable magnetic arms accommodate 4" to any size steel pipe or tank
Push button spring-loaded striking hammer
Removable digital leveling gauge with magnetic base