The Freund Pipe Expander is a simple, field-ready tool designed for quick expansion of copper and zinc downspouts. Available in three standard sizes—76mm (3"), 80mm (3.1"), and 100mm (4")—it’s compatible with both a power drill and hand wrench. Built to handle metal thicknesses up to 1.0mm (.040"), this tool makes creating sliding sleeves fast and efficient. 

Features:

• One-Person Operation: Expands pipes easily using just a cordless drill—no team required.
• Automatic Feed & Return: Patented mechanism handles the work for you.
• Heavy-Duty Build: Made from hardened, burnished special steel for long service life.
• Compatible Materials: Works with aluminum, copper, zinc, and stainless steel.
• Precise Fit: Available in 3 sizes for common pipe diameters (76mm, 80mm, 100mm).
• Low Maintenance: Gear-free design means fewer moving parts to break or maintain.
• Flexible Use: Aligns elbows, creates sliding sleeves, and expands downpipes all in one.

Ideal For:

• Gutter and rainwater system installers
• Metal roofing contractors
• HVAC professionals working with round ductwork
• On-site forming work, especially for hard-to-reach areas