(Agriviv) Hoof-It QuickBlock Adhesive is a polyurethane adhesive used when blocking the hooves of lame cattle. Hoof-It QuickBlock Adhesive is more viscous than other adhesives for a thicker application with less dripping. May be used to adhere wood or rubber hoof blocks. Cures in just 30 seconds and is weight bearing in 2-3 minutes. Requires dispensing gun, mixing tips, and hoof blocks (each sold separately).