Based on this product's specifications, here are some alternatives and similar models
Chisel SDS-Plus DeWalt DT6802 20 mm diameter 250 mm length
Summary description:
SDS-Plus chisel DeWalt DT6802 with 20 mm diameter and 250 mm length designed for use with SDS-Plus rotary hammers. Suitable for chiselling, removal of tile adhesive, mortar and light demolition tasks. Steel construction provides durability; intended for professional and DIY users needing a long 250 mm reach and a 20 mm working profile.