Diamter: 125mm (5") Bore: 22.2mm Teeth: 20 The Austsaw Rotary Hacksaw produces an incredibly high quality cut across a variety of materials with no burning, minimum sparks and no dust. Designed for cutting Fibreglass Metal, Aluminium, Colorbond, Steel (Guardrail, Pipes), Iron (Corrugated, Pipes) Plastic (PVC Plastic / Pipes, Corrugated Roofing) Wood (Softwoods, Hardwoods, Timber Planks, Weather Board). EXTREME performanceThe Austsaw Rotary Hacksaw cutting blade is made with a hardened tempered body for clean, smooth cuts (fast and smooth cutting action). Titanium carbide teeth provide longer life when metal cutting, and a high-raised shoulder provides maximum strength behind each tip. Purchase the Austsaw Rotary Hacksaw circular saw blade and you will experience extreme cutting performance! For use with Circular Saws, Electric Mitre Saws and Portable Saws. NO heat, NO burrs, NO dust with minimal sparks Will not wear like abrasive wheels Rotary hacksaw can be resharpened Lubricant is required when cutting aluminum The cutting width and depth is consistent.