Based on this product's specifications, here are some alternatives and similar models
Knife sharpening belt Work Sharp KO Edition X4, 1 piece
Summary description:
Replacement sharpening belt for Work Sharp KO Edition X4 sharpening system. Supplied as a single piece, this abrasive belt is designed for restoring and maintaining cutting edges on knives and similar tools using the Work Sharp KO Edition platform. Suitable for routine edge repair, bevel setting and finishing when paired with the compatible sharpening unit.