AIPERQ Pack 18' (45cm) Chainsaw Chains / 3/8' Pitch / 1.5mm Gauge / Square Cutter / 72 Links, 325' Pitch

Fits the following chainsaw models: Ryobi PCN4545, Husqvarna 136, 141, 137, 142, 340, 345, 350, 435, 440, 445, 450, Efco 138, 141, 4100SP and others Designed for arborists and homeowners, for chainsaws with .325" pitch, .050" (1.3 mm) gauge and 72 drive links Cutting system Narrow kerf, more efficient and requiring less power than other cutting systems - use guide bars for narrow kerf chains A new sharper and more durable cutting edge, thanks to new precision sharpening and an optimized cutting angle