The MILWAUKEE® Universal Fit OPEN-LOK™ 1-3/8" Titanium Enhanced Carbide Teeth Extreme Material Blade 1 Pack is designed for oscillating multi-tools. It features a unique aggressive tooth design that delivers optimal cutting performance in wood, screws, metal pipes, nails, cement board, plaster, and more. The 1-3/8" Titanium Enhanced Carbide Teeth Extreme Material Blade lasts up to 50 times longer than standard bi-metal blades and can be used in a wide range of materials for maximum blade life. The unique, aggressive carbide tooth design delivers faster cuts and greater cutting performance in wood compared to standard carbide blades. These Milwaukee multi-tool blades are designed and made in the USA with global materials.