Excell Hand-Saver Film Dispensers Core 3" SF-756 - Black Go to amazon.com Related posts Check expert advices for stretch wrap hand saver? 10 best pallet wrap dispenser FeatureWith brake for gaining film tensionLight weight DescriptionItem NO.SF-756 NameHAND-SAVERTM STRETCH FILM DISPENSERS Bar Code471076198756-9 PatentU.S. PAT. NO. 6019308 U.S.PAT. NO. 6227480 U.S. PAT. NO. 7552891 T.W. PAT. NO. 147870 Introduction Core Diameter: 3" (76mm)