Based on this product's specifications, here are some alternatives and similar models
Crimp Ferrule Erko TE_6-10/100 tin-plated 6 mm² — 100 pcs
Summary description:
Tin-plated crimp ferrules Erko TE_6-10/100 for electrical wire termination. Designed for 6 mm² conductors, delivered in a pack of 100 pieces. Ferrules provide reliable crimped connections, protect stranded wire from fraying, and ensure consistent contact in screw terminals and terminal blocks. Suitable for building installations, control panels and industrial wiring.