The 53077-D Medium Digital Magnetic Centering Head (for pipes 3” - 24") assists to establish and mark a center-line at any angle around the circumference (inside and out) on a pipe or tank. Smaller and larger diameter pipes may require some assistance to secure tool.
The NEW 53087-D Large Digital Magnetic Centering Head (for pipes 12” and larger) assists to establish and mark a center-line at any angle around the circumference (inside and out) on a pipe or tank.