Primarily used by machinists for angles less than 90 degrees on corners, and filing cutters and taps. This file gets into corners that others cannot. Smooth Cut - Fine teeth for a smooth finish
![Three Square Files (Smooth) - 4", Mercer Abrasives BTHS04 (12/Pkg.) Three Square Files (Smooth) - 4", Mercer Abrasives BTHS04 (12/Pkg.)](https://cdn11.bigcommerce.com/s-gdy1ehz/images/stencil/500x659/products/68730/397030/ThreeSquareFiles__29040.1611944307.png?c=2)
Mercer Abrasives
Three Square Files (Smooth) - 4", Mercer Abrasives BTHS04 (12/Pkg.)
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