OTOTEC 4 Pcs Greenhouse Sliding Door Slide Roller 22.5mm Compatible with Halls Compatible with Juliana

These pulleys are used to replace the old wheels at the bottom of the greenhouse sliding door, keeping the door sliding smoothly, avoiding jamming and tilting, and extending the service life of the greenhouse. Compatible with HALLS, Compatible with JULIANA, Compatible with AGL, and Compatible with Vitavia. The combination of high-strength plastic and metal shaft is anti-aging and corrosion resistant. It can be used in hot, humid and cold environments for a long time. The overall size of this gear is 22.5mmx7mm, using M4 screws. The protruding part of the middle roller bearing is 4mm, and the depth of the roller groove is 2.7mm. Installation is also very simple, just remove the old pulley and install the new pulley with a screwdriver. The set comes with screws, so you can buy with confidence., Manufacturer: OTOTEC