https://www.ebay.com/sch/i.html?_nkw=3M+Mdt+1100+48A+Black+Shrink+Tubing+1+1+In+Id+Black+4+Ft+Pk+20&_sacat=0&_dmd=2

3M Mdt-1100-48A, Black Shrink Tubing, 1.1 In Id, Black, 4 Ft, Pk 20

Regular price
$306.00
Sale price
$216.00

Heat Shrink Tubing, Material Medium-Duty Polyolefin, Medium, Temp. Range -67 Degrees to 230 Degrees F, Shrink Ratio 3:1, Black, Length 4 ft, Wire Range 2 to 2/0 AWG, I.D. Before Shrinking 1.100 In, I.D. After Shrinking 0.370 In, Wall Thickness After Shrinking 0.100 In, Shrink Temp. 250 Degrees F, Max. Voltage 1000V, Standards MIL-DTL-23053/15, Class 2; ABS, Package Quantity 20