About This

Package: The kit includes 3 hole saws ( 3 in, 4 in, 4-1/4 in), 1pc arbor with drill bit, 1pc pilot drill bit (replacement), 1pc hex key and 1pc package case
Sharp and Durable: Crafted from bi-metal construction, this hole saw features high-speed steel teeth and a flexible steel body for enhanced durability and sustained sharpness
Wide Applications: Engineered for precision drilling on multiple materials including thin metal (except stainless steel), wood composites, plastic polymers, drywall panels, but not for fragile surfaces including glass, ceramic, tiles, granite, marble, porcelain, bricks, masonry, or natural stone to prevent chipping
Easy to Use: Simple to assemble and use, easily switch between sizes, and clear away chips in seconds
Compact & Organized: Everything fits neatly in a sturdy case that takes up little space, so no more lost parts
Attention: Don't touch the hole saw immediately after drilling because of high surface temperature; Apply water/coolant and reduce feed speed when drilling metal materials; Stop drilling immediately if abnormal vibration occurs