The Plumber's Choice PEX Plumbing Kit Crimper Tool with Lock Hook Cutter Tool with Stainless Steel Cinch Clamps 1/2 in. 3/4 in. KPCSTOC - The Home Depot
Crimping Pliers Ø12-28mm Copper Pipe Crimper Plumbing Crimping Tool for Copper Pipe Press with 5pcs Copper 12,15,18,22,28mm - AliExpress
iCrimp PEX 1-inch Crimping Tool, for Copper Pex Crimp Rings and Fittings, with Go/No-Go Gauge,Angled Head,suits All US F1807 Standards - Amazon.com