1: Bar length: 40cm; 2: Pitch: 3/8" LP; 3: Gauge: 0.050 inch (1.3 mm); 4: Drive Links: 56/57; 5: Chain Type: Semi-chisel. Designed for safety, UL approved, meets ANSI standards. Semi-chisel with low kickback. (Replacement chain requires exact identification for each chainsaw and cannot be assumed based on bar length or chain type) Material: Imported steel, high toughness, unbreakable. 【Joint】Heat-treated and hardened rivets to ensure smooth cutting and optimal lubrication. Finish: All chain cutting edges are coated with high-quality industrial hard chrome, which ensures better wear resistance. Durability and Easy Maintenance: Low kickback and low vibration chain for durability and Easy maintenance. The shock-absorbing drive link, combined with a depth gauge, ensures low kickback with high performance. Half chisel. Low kickback. Currently used by thousands of professional arborists. More efficient: When replacing 16-inch chainsaws, simply turn the screws on the chainsaw, remove the