Details: Model: 72EXJ100U: Oregon 72EXJ has a reshaped cutter and proprietary grind technology for superior performance, sharpness and consistency (replaces 72JGX). This low-vibration, full chisel cutter chain is designed to maximize every cut with less effort. Pitch: 3/8", gauge: .050" Skip sequence design provides greater clearance for better chip flow - the larger the wood being cut and the longer the bar used, the more important good chip flow becomes LubriTec™ keeps your chain and guide bar oiled for less friction and longer life Blued Cutters deliver high-quality protection against corrosion Expanded Top-Plate Filing Indicators and depth gauge filing indicators area make accurate sharpening easier Gold Loop Start Indicator makes sharpening easier with start and stop identification Exclusive OCS-01 Steel provides greater durability For saw sizes 50-100 cc Model: 72EXL100U: Oregon 72EXL has a reshaped cutter and proprietary grind technology for superior performance, sharpness and consistency (replaces 72LGX). This low-vibration, full chisel cutter chain is designed to maximize every cut with less effort. Pitch: 3/8", gauge: .050" LubriTec™ keeps your chain and guide bar oiled for less friction and longer life Blued Cutters deliver high-quality protection against corrosion Expanded Top-Plate Filing Indicators and depth gauge filing indicators area make accurate sharpening easier Gold Loop Start Indicator makes sharpening easier with start and stop identification Exclusive OCS-01 Steel provides greater durability For saw sizes 50-100 cc Model: 75CJ100U: The 75CJ100U PowerCut™ Saw Chain reel contains 100 feet of 75CJ chain, the square ground version of our LGX series chain. This .063" gauge chain is ideal for high-production cutting with long bars and 3/8" pitch chainsaws. Oregon 75CJ square ground chain offers more cutting efficiency since the self feeding design takes less effort from the operator. Compatible fit with Stihl® 36RSLF 100R. Pitch: 3/8", gauge: .063" Skip sequence design provides greater clearance for better chip flow - the larger the wood being cut and the longer the bar used, the more important good chip flow becomes LubriTec™ keeps your chain and guide bar oiled for less friction and longer life Blued Cutters deliver high-quality protection against corrosion Top-Plate Filing Indicators make accurate sharpening easier Exclusive OCS-01 Steel provides greater durability For saw sizes 50-100 cc Model: 91VXL100U: The 91VXL100U VersaCut™ Saw Chain reel contains 100 feet of high performance 3/8" Low Profile™ chain. This .050" gauge chain is the ideal choice for arborists and orchardists who are looking to get professional-grade performance from their lightweight saws. Longer cutter top-plates offer longer cutting life for the user. Low profile, semi-chisel cutters provide an aggressive cutting edge with a forgiving sharpening profile. Compatible fit with Stihl® 63PM 100R as well as Husqvarna® H35X 100U and 503306901. Pitch: 3/8" Low Profile™, gauge: .050" LubriTec™ keeps your chain and guide bar oiled for less friction and longer life Blued Cutters deliver high-quality protection against corrosion For saw sizes up to 42 cc Model: 75CL100U: The Oregon 75CL100U PowerCut™ Saw Chain reel contains 100 feet of 75CL chain, the square ground version of our LGX series chain. This .063" gauge chain is an ideal choice for high-production cutting with long bars and 3/8" pitch saws. Compatible fit with Stihl® 36RSL 100R. Pitch: 3/8", gauge: .063" LubriTec™ keeps your chain and guide bar oiled for less friction and longer life Blued Cutters deliver high-quality protection against corrosion Top-Plate Filing Indicators make accurate sharpening easier Exclusive OCS-01 Steel provides greater durability For saw sizes 50-100 cc Model: 75CK100U: The 75CK100U PowerCut™ Saw Chain reel contains 100 feet of 75CK chain, an ideal chain for high production cutting with long bars and 3/8" pitch saws. Oregon's OCS-01 Steel delivers greater durability. This .063" gauge chain is the square ground version of Oregon's LGX series chain. Compatible fit with Stihl® 36RSLHK 100R. Pitch: 3/8", gauge: .063" Semi-skip sequence design provides greater clearance for better chip flow - the larger the wood being cut and the longer the bar used, the more important good chip flow becomes LubriTec™ keeps your chain and guide bar oiled for less friction and longer life Blued Cutters deliver high-quality protection against corrosion Top-Plate Filing Indicators make accurate sharpening easier Exclusive OCS-01 Steel provides greater durability For saw sizes 50-100 cc