Can a plumbing step wrench such as the one below be used for a through hull? This one is $10. At that price, it wouldn't be worth making one out of a pipe
Step Sizes: 10 | 11 | 12.5 | 16 | 21mm, 3/8" 7/16" 1/2" 5/8" 13/16"
Step Sizes: 10 | 11 | 12.5 | 16 | 21mm, 3/8" 7/16" 1/2" 5/8" 13/16"