Tip for electrician pipe

This is really a little gimmick to help electricians.

When pulling cables, large and small, you often use electrician tubes to help with the pull. To make it a little easier to push the tube through holes and over the cable trays I have made two different tips and two sizes 16 mm, 20 mm. One is slanted to make it easier to slipping over obstacles and a the other is tip to pass through holes, walls, walls, etc.

Since electric pipes do not have the same diameter despite being called 16 mm or