Husqvarna Bumper/Felling/Dog Spike Set, Heavy Duty, STANDARD Version OEM part number: Inner: 501 91 81-01, Outer 501 91 84-01 This New Zealand-made spike set, is crafted from heavy-duty 3mm steel to deliver lasting durability and precision grip in demanding conditions. Ideal for serious saw users who value performance and craftsmanship. The outer spike fits on the outside of the sprocket cover and the bar nuts secure it in place. These spikes are 3mm, which is slightly thicker than the genuine spikes. These spikes bolt on and line up nicely as a set. Comes with all needed mounting hardware. Fits Husqvarna models: 281XP, 288XP HU-SPIS-288HDK
