The item in the image is a California Pneumatic CP-143 Mini Die Grinder Kit, a pneumatic tool set used for grinding, polishing, and deburring.
Item Type: Pneumatic Straight Die Grinder Kit.
Kit Includes: Mini air die grinder, various mounted stones with 1/4" and 1/8" shanks, collets, and spanner wrenches.
Usage: Ideal for workshops and automotive projects for grinding or polishing surfaces.
Tool Specifications: Typically operates at high RPMs, such as 22,000 RPM, requiring a compatible air compressor source.
Worked when put away but could use a good cleaning.