2-roller guide for 41 mm thick door.
This kit includes a steel guide and 2 nylon rollers 38 mm x 30 mm. The rollers can however be dismounted. The guide plate measures 145 mm x 59 mm.
For your door, gate or sliding door, this guide is made to be welded high up, on one of the two lugs for example. The lugs measure 34 mm high and 59 mm wide.