Based on this product's specifications, here are some alternatives and similar models
Hand saw blade Cellfast Ergo 610 mm for softwood 41-058
Summary description:
Replacement hand saw blade Cellfast Ergo 610 mm (model 41-058) designed for cutting softwood. The 610 mm blade fits compatible Cellfast Ergo saw handles and provides straight, controlled cuts for carpentry, pruning and general woodworking tasks. Use for dimensioning, trimming and cutting boards, beams and branches where a long manual blade is required.