Features

• Ensures fast, accurate lapping of long or short holes.
• Instantly and accurately adjustable.
• No set-up time or special equipment needed.
• Longer life, reducing lapping costs.
• Milled eccentric slots in brass barrel permit expansion of 15% or more by simply turning adjusting Screw.

• Designed to accurately lap "closed-end" holes.
• Same "slotted" feature as the barrel lap.
• Recessed adjusting Screw in end of cylinder permits lap to reach the very bottom.
• Permits high-speed lapping without galling or seizing.
• Holes are precision lapped from top of hole to bottom.