https://www.ebay.com/sch/i.html?_nkw=3M+Hdt+4500+48A+Shrink+Tubing+4+5+In+Id+Black+4+Ft+Pk+5&_sacat=0&_dmd=2

3M Hdt-4500-48A Shrink Tubing, 4.5 In Id, Black, 4 Ft, Pk 5

Regular price
$371.00
Sale price
$265.00

Heat Shrink Tubing, Material Heavy-Duty Polyolefin, Heavy, Temp. Range -67 Degrees to 230 Degrees F, Shrink Ratio 3:1, Black, Length 4 ft, Wire Range 1500 to 2500 kcmil, I.D. Before Shrinking 4.500 In, I.D. After Shrinking 1.500 In, Wall Thickness After Shrinking 0.170 In, Max. Voltage 1000V, Features Flame Retardant, Split Resistant, Standards MIL-DTL-23053/15, Class 1; ULFile E-102356; ABS, Package Quantity 5