Factory Spec severe duty brake pads are made of a sintered bronze compound. Their exclusive high-density mix extends pad life for use in extreme conditions such as sand, mud, water and farm usage. If long life is your main concern, these brake pads are your best choice. They will last much longer than any semi-metallic or organic brake pad on the market. Manufactured by Factory Spec Included is four sets of brake pads, as pictured This is enough to replace the pads on the front rear calipers Made in China These sintered metal brake pads fit the following models 2008 Yamaha Rhino 700 YXR700F 2009 Yamaha Rhino 700 YXR700F 2011 Yamaha Rhino 700 YXR700F 2012 Yamaha Rhino 700 YXR700F 2013 Yamaha Rhino 700 YXR700F