This is a vintage pin gauge set, an essential tool for precision measurement. The set features 10 individual pin gauges, each marked with its precise diameter from 0.1mm to 1.0mm in 0.1mm increments. These gauges are designed for accurately measuring hole diameters, slot widths, and other small clearances, making them valuable for vintage audio and video equipment repair, restoration, or general precision work.

The set is presented on a convenient metal ring, keeping all gauges organized and easily accessible. Each gauge is clearly labeled with its size and a unique part number (JD-246 through JD-255). The pin gauges come in their original blue cardboard box, which bears the handwritten identifier "PIN GAUGE" and a part number "J-6152-450-A". This complete set is ideal for hobbyists, technicians, or collectors seeking accurate vintage measurement tools for various applications.

Verified Specifications:
Brand/Maker: Unbranded (with internal part numbers)
Item Type: Pin Gauge Set
Era/Style: Vintage
Material: Metal (pins and handles), Cardboard (box)
Specifications: 0.1mm, 0.2mm, 0.3mm, 0.4mm, 0.5mm, 0.6mm, 0.7mm, 0.8mm, 0.9mm, 1.0mm
Features: Precision measurement, Organized on metal ring
Included Components: 10 pin gauges (JD-246 to JD-255), 1 metal ring, 1 original cardboard box
Lot Count: Lot of 10 gauges + ring + box