SharkBite 3/8 to 1-in PEX tool in the PEX Pipe, Fittings & Specialty Tools department at Lowes.com
iCrimp PEX Pipe Crimping Tool, Used for 1-inch Copper Pex Crimp Rings — Iwiss Tools Co Limited
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
SharkBite 1/2 Inch to 3/4 Inch PEX Crimp Tool, Dual Head with Orange Handles, 23251 - Crimp Tool Pipe - Amazon.com