Sold each in a kit that includes one boot, 80 grams of grease, two clamps, clamp installation tool (hex with slot) and detailed instruction One Fast Boot II provides coverage for all ATVs - front and rear axles, inner and outer joints Squared off inside edge to keep clamp retaining ridge upright Additional rib to allow boot to expand for larger joints Made from the finest neoprene rubber ATV CV boot that fits virtually all ATVs Improved clamp retaining ridges Made in the U.S.A.. BOOT KIT I/B O/B MSE 6PK