These rubber rollers can be ordered as replacements for the one which came with your Pizzi handheld gluing unit.
Rubber Feed Rolls 205 x 25 wide x 25mm (8-1/16 x 1 x 1) with
Pizzi Glue Nozzles & Accessories
Pizzi 150mm Hand-Held Glue Spreader with rubber roller with
Adhesive Equipment-Adhesives, Memphis TN
Products
Industrial Rubber Rollers - Repair & Reconditioning Services
Internal Rollers for Pizzi Handhelds
PIAOLGYI Replacement Spare Rubber Rollers for Cricut Maker,Accessories Compatible with Cricut Maker,4 Pack(Black)
Products
Adhesive Equipment-Adhesives, Memphis TN
Pfohl 150 - with ribbed poreless roller for PVA / Urea
Products
Rubber Pinch Roller Wholesale for Your Maintenance Needs