Custom Formulated: Unlike other generic oils, our rowing machine chain oil is custom-formulated for rowing machine use. Our chain oil provides anti-wear / anti-corrosion protection, lubricates your chain and helps to reduce the accumulation of dust and other gunk Protect Your Investment: Rowing machines often represent a major investment for home / commercial gyms. Ensure that investment lasts by extending the life of your chain and protecting your rowing machine Compatible With: Impresa Rowing Machine Chain Oil is Compatible with an array of makes and models, including Concept2 (TM) / Concept 2 Models A, B, C, D and E, Sunny Health (TM) SF-RW5515, Stamina ATS (TM), Merax (TM) and other chain-based rowing machines Easy To Maintain: Instructions for optimal use below. Regular maintenance of your rowing machine is crucial to its longevity and keeps you from breaking your workout routine while your machine is out of commission. Our lube / lubricant keeps you in business! Please note: This is an aftermarket product (produced by Impresa Products). We have no affiliation with or endorsement from any of the manufacturers mentioned