Most commonly (though not exclusively) used as brake pad set for smaller ATVs in the 50cc to 150cc range (50cc, 80cc, 90cc, 110cc, 125cc and 150cc). These brake pads are often referred to as Yongli YL-F143, EBC FA137, and SBS 649.

Approximate dimensions:
Total Length: 46.8mm
Total Width: 45mm
Alignment Holes: 6.3mm
Alignment Hole Spacing: 28mm (center to center)