This saw chain has high quality hard chrome plated teeth on a stable base it is also recommended for frozen wood and hardwood our professional chains ensure smooth cutting performance at high speeds and are designed for maximum service life and cutting performance technical specifications chain spacing 38 number of links 72 drift strength in mm 15 usable cutting length in cm 50 suitable for the following chain saws al ko 251 261 460 480 alpina 600 600i p650 p