Shinwa Rules No. 19 Stainless Steel Protractor

Description

The Shinwa Rules No. 19 Stainless Steel Protractor, marked with Trade Mark SK, is a precision angle gauge for measuring and setting angles in machining, woodworking, and engineering tasks. It features a 180-degree semicircular scale with 1-degree graduations, etched clearly on the stainless steel body for durability and readability. The protractor has a 90 mm radius (180 mm diameter) and a 120 mm long base arm, providing a stable reference for angle measurements.

The pivoting arm locks in place with a knurled nut, allowing for secure angle settings. The scale is dual-sided, with markings from 0 to 180 degrees in both directions, enabling versatile use for internal and external angles. The stainless steel construction ensures resistance to corrosion, though this used unit shows minor wear, including light scratches and surface marks.

Made in Japan by Shinwa Rules, a respected manufacturer of measuring tools, this No. 19 protractor weighs approximately 150 grams and is compact for easy handling. It does not include a case or additional accessories. This angle gauge is a reliable choice for machinists and craftsmen needing accurate angle measurements in workshop settings.

Features:

• Scale range: 0-180 degrees
• Graduations: 1 degree
• Protractor radius: 90 mm (180 mm diameter)
• Base arm length: 120 mm
• Material: Stainless steel
• Dual-sided scale for internal and external angles
• Locking knurled nut for secure angle setting
• Model: Shinwa Rules No. 19 (Trade Mark SK)
• Weight: Approx. 150 grams
• Made in Japan
• Used condition with minor wear (light scratches and surface marks)
• No case or additional accessories included