The Araldite Mixer Nozzle 4 PACK is designed for use with 2021-1 and 2022-1 50ml cartridges, providing a convenient and efficient solution for mixing adhesives. Made in Switzerland by the trusted brand Araldite, this unit guarantees high-quality performance and durability. With a total of 4 units included in the pack, this product is essential for various industrial and commercial applications requiring precision and accuracy in adhesive dispensing.