Disciplined development, innovative production, and outstanding service have positioned Porelon as the leading manufacturer of specialty inks, gels, and microporous foams used in marking and identification products for the past 30 years. The Porelon IBM Selectric II Dry Lift Off Typewriter Correcting Tape replaces manufactures parts 1136434, 1136435, and 1361195. This typewriter correcting tape provides consistent clear correction in addition to exceptional light fastness and durable impressions. This product has been designed and manufactured to operate the original equipment identified, and will not void your equipment warranty. Through constant product improvement, Porelon is committed to providing their customers with a wide variety of quality products at an exceptional value.