"an Ideal Chain For The Professional Woodcutter, Using" 325 "caliber Saws." Whole Chisel Indentations And Reduced Vibrations Offer Optimal Performance Characteristics & Benefits • Lubritec ™ Keeps Your Chains And Guide Bars Oiled, Ensuring Less Friction And Longer Life • Blue Teeth Offer Maximum Protection Against Corrosion • Top-plate Thread Indicators Allow Precision And Ease Of Sharpening • Our Exclusive Ocs-01 Steel Offers Improved Durability