Feature●The product is Easy installation and easy handling●The product is manufactured in China●The product is easy to use and highly durable●These blades saw in all directions and have 360 cutting capability●Cutting speed and finish depend on material thickness and number of teeth per inch●These premium blades are made of high carbon steel, hardened and tempered to stay sharp longerDescription 12 Pack, 36 TPI, Universal #4 Scroll Saw Blade, .035" Kerf, 5" Long Flat End Spiral For Easier Blade Installation & Retention, Blades Saw In All Directions & Have 360 Degree Cutting Capability.. The product is manufactured in China. The product is easy to use and highly durable.