https://www.ebay.com/sch/i.html?_nkw=3M+Itcsn+1100+9+Box+Shrink+Tubing+1+1+In+Id+Black+9+In+Pk+25&_sacat=0&_dmd=2

3M Itcsn-1100-9-Box Shrink Tubing, 1.1 In Id, Black, 9 In, Pk 25

Regular price
$204.00
Sale price
$139.00

Heat Shrink Tubing, Material Cross-Linked Polyolefin, Medium, Temp. Range -67 Degrees to 230 Degrees F, Shrink Ratio 3:1, Black, Length 9 In, Wire Range 2 to 4/0 AWG, I.D. Before Shrinking 1.100 In, I.D. After Shrinking 0.370 In, Wall Thickness After Shrinking 0.120 In, Shrink Temp. 250 Degrees F, Max. Voltage 1000V, Features Adhesive Lined, Standards UL Listed (UL 486D) File E-102356 and CSA Certified, Package Quantity 25