Newstripe's Rollmaster paint striper incorporates an adjustable pump spring tension which features speeds priming and compensates for any pump hose wear. The Rollmaster has a 100% transfer efficiency producing crisp line edges with no overspray. It uses bulk paint pumped directly from a one-gal. can to the application roller. The peristaltic -"squeeze"- pump prevents paint from coming in contact with any pump components. The redisigned Rollmaster includes: a disposable paint roller and hose, high performance polymer pump rollers, bronze pump bushing, improved tolerances, and adjustable pump tension.