Lancaster Pump Upper Stretcher Pressure Block 12" Reaches into corners

Reaches into corners

Tripoli is an excellent compound  for softer metals because on a microscopic level

Cleco System came from the Aerospace industry

Fits 5/8" x 11 thread

This kit works great on CDs

Lancaster Pump Upper Stretcher Pressure Block 12" Reaches into cornersUpper Stretcher Pressure Block These are the original and only units made in the USA by Lancaster Pump. Lancaster Pump holds the original patent for this metal Shrinker Stretcher concept. The Lancaster Pump Stretcher Shrinkers have been copied in China and their poor imitations are not near the quality of ones made in the USA. The Lancaster Jaws are a darker color indicating they are heat treated. The heat treatment process used on Lancaster jaws