#13-141 Bead Roller Dies 90 Degrees
From Lazze Inc.

Bead roller dies 90 Degrees
Those dies can be used after you bent a flange to 90 degrees and you want that to be little more crisp in the corner.
ID=20mm
Made for a Bead roller with around 50mm (2") between the shafts when they're parallel center to center shaft.
Fits LAZZE's Bead Roller or a machine with 20mm shafts.