Description: HEAT-SHRINK TUBING, 2:1, 6.35MM, BLK; For Use With:Electrosurgical Instruments, Medical Devices; Series:Altera; Shrink Tubing / Boot Material:Fluoropolymer; Shrink Ratio:2:1; I.D. Supplied:6.35mm; I.D. Max Recovered:3.18mm"