The Sigma scoring wheel is compatible with all of Sigma’s "Pull Handle" style tile cutters. This long-lasting carbide wheel cuts ceramic, glazed porcelain, glass mosaics and even some natural stone. It replaces the cutting wheel that came included with your original purchase.
 
Compatible with:
2A3 Technica 20"
2B3 Technica 26"
2G Technica 14"
3A Diagonale 20"
3B Diagonale 26"
3G Diagonale 30"
3D Diagonale 37"
3E Diagonale 52"
5 Standard 20"
6 Standard 14"
7A Standard 13"
7F Standard 14"