https://www.ebay.com/sch/i.html?_nkw=3M+Nst+7+8+Black+Shrink+Tubing+0+875+In+Id+Bl+100+Ft+Pk+3&_sacat=0&_dmd=2

3M Nst-7/8-Black Shrink Tubing, 0.875 In Id, Bl, 100 Ft, Pk 3

Regular price
$863.00
Sale price
$636.00

Heat Shrink Tubing, Material Modified Chlorinated Polyolefin, Temp. Range -94 Degrees to 250 Degrees F, Shrink Ratio 2:1, Black, Length 100 ft, I.D. Before Shrinking 0.875 In, I.D. After Shrinking 0.437 In, Wall Thickness After Shrinking 0.065 In, Max. Voltage 600V, Standards MIL-R-46846, Type I, Class 1; MIL-DTL-23053/1, Class 1, 2; AMS-3623, Package Quantity 3