Keep your Stihl saw chain cutting at its best with the 1/4" P File Gauge (Genuine Stihl OEM No. 0000 893 4005). This precision metal gauge is designed for chains with a 1/4" Picco pitch (1/4 inch / 6.35 mm), helping you maintain proper cutter filing angle and verify the correct depth gauge (raker) height. Built for durability and long service life, it�s an essential tool for clean cutting performance, smoother operation, and reduced strain on your saw. Ideal for routine chain maintenance and accurate adjustments.