Chainsaw cutting chains "professional quality" 0.325 pro guard bulk roll length. 25 feet 33SL ultra low-kickback chisel chain for both professional and consumer users provides high cutting speed from 2.5 to 3.5 inch. Efficient, smooth cutting, excellent and stay-sharp. 72SG Semi-chisel cutter provides cutting efficiency and performance in dirty or rocky conditions. Standard 72 series chain chassis reduces kickback and allows 3.0 to 6.0 cubic inch cutting speed with 3/8 inch pitch.