https://www.ebay.com/sch/i.html?_nkw=3M+Itcsn+0800+12+Box+Shrink+Tubing+0+800+In+Id+Bl+12+In+Pk+25&_sacat=0&_dmd=2

3M Itcsn-0800-12-Box Shrink Tubing, 0.800 In Id, Bl, 12 In, Pk 25

Regular price
$226.00
Sale price
$156.00

Heat Shrink Tubing, Material Cross-Linked Polyolefin, Heavy, Temp. Range -67 Degrees to 230 Degrees F, Shrink Ratio 3:1, Black, Length 12 In, Wire Range 8 to 1/0 AWG, I.D. Before Shrinking 0.800 In, I.D. After Shrinking 0.200 In, Wall Thickness After Shrinking 0.110 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