The No. K230-24 Snap Setter Line 24, made by C.S. Osborne & Co., is a simple, mallet-driven setting tool designed for easy installation of Line 24 (5/8″) snap fasteners. Although affordable, it is built to deliver the same long service life as our heavy-duty press machines. Both the flare punch and the two-sided anvil are CNC-machined from high-quality steel, preventing deformation of the punch point and anvil face. The reversible, two-sided anvil allows you to set both domes or studs simply by flipping the anvil over. Whether you’re a DIYer redoing marine canvas or a professional upholstery shop, this snap setter delivers consistent, reliable results.

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