Ski Model, APEX 1 Keel Carbide Length Center, 6inch Angle Center, 90° Package quantity, Pair Included U blades, No Number, 08 251 31 Compatible Brand, Fits YamahaHigh abrasion, resistant bar stick. Tapered carbide design gives longer life to both bar and carbide. Carbide pads in front and rear of center control carbides for extended life. Made to OEM specifications. Painted black enamel. Skin packaged per pair with nuts.