●【Durable】Tube cutter blade is durable and corrosion-resistant, and can be easily replaced when worn out or damaged. ●【Size】0.7" x 0.2" x 0.24"(OD*ID*T)(18 x 5 x 6mm). Features a smooth roller mechanism that reduces friction and ensures a clean and burr-free cut every time. ●【20pcs Pack】The package includes 20 spare blades for your convenience. ●【Superior material】Tube cutter blade is made of high-quality steel that can cut through copper, aluminum, brass, and thin-walled stainless steel tubes with ease and precision. ●【Scope of application】Compatible with most standard tube cutters and can be used for plumbing, HVAC, automotive, and other applications that require cutting tubes.