PEX Pipe Expander Tool Kit, 4 Heads 3/8–1 In, Cutter

PEX pipe expander tool kit delivers fast, consistent tubing expansion for tight, leak-resistant PEX connections in plumbing and radiant heating installs. This manual tubing expansion tool uses a high-leverage handle and non-slip ergonomic grip to reduce hand fatigue while keeping control on every pull. Four precision expanding heads cover common PEX pipe sizes, and the hardened carbon steel build with electroplated finish supports long service life on residential and commercial jobs.

• Delivers consistent expansion force with a manual lever design for secure PEX connections


• Fits common PEX tubing O.D. sizes: 3/8", 1/2", 3/4", and 1" with 4 precision expanding heads


• Includes expander, 4 heads, PEX pipe cutter, lubricant, and a protective portable toolbox


• Improves comfort with a non-slip ergonomic handle for steadier, lower-fatigue operation


• Resists wear and rust with hardened carbon steel and an electroplated finish

Keep your PEX installation workflow moving with a compact, jobsite-ready expansion solution that stores everything in one case. Swap heads in seconds, follow the simple clamp-and-expand steps, and get clean, reliable expansions for water supply lines and radiant floor heating runs. Whether you’re tackling repairs, remodels, or new construction, this kit helps you stay organized and ready for the next connection. Grab yours today and get your PEX expansion tools in order before the next project starts.

• Tool type: Manual PEX tube expansion tool kit


• Compatible tubing: PEX


• Compatible tubing O.D.: 3/8" (9.52 mm), 1/2" (12.7 mm), 3/4" (19.05 mm), 1" (25.4 mm)


• Applicable wall thickness: 0.02–0.08 in (0.5–2 mm)


• Number of expanding heads: 4


• Main material: Carbon steel


• Product dimensions: 16.53 x 12.4 x 3.34 in (420 x 315 x 85 mm)


• Net weight: 8.24 lb (3.74 kg)