R Ruffian Member Messages 3,616 Location Devon UK Tuesday at 10:37 PM #21 1¾ die with galv. So circa 4mm wall. Possibly your wall thickness giving you issues. 20211202_192341.jpg 100.9 KB · Views: 16 20211202_190800.jpg 236.7 KB · Views: 15 20211201_210319.jpg 293.4 KB · Views: 14