I've tried many different crimping tools and these have worked the best. Just make sure to wear gloves. It works by heating the tube through friction and then stretching it.
Cordless drill driver BOSCH GSR 120-LI (06019G8020/06019G8000)
54 Review
Impact screwdriver Makita TD0101F, 230 W
31 Review
𧱠Bosch 2607017164 Piece Setter Masonry: Advanced Tools for Precision Masonry Work
20 Review
Tool set Stels Tool set, 1/2", 1/4", CrV, plastic case 94 pcs, Stels, 94 pcs, black
45 Review