Based on this product's specifications, here are some alternatives and similar models
Heat-Shrink Tubing CellPack CR 19.1/9.5 3/4" Thin-Wall, Mixed Lengths (MPN 8-7202)
Summary description:
CellPack heat-shrink tubing CR 19.1/9.5 is a thin-wall shrink sleeve with nominal outer/inner diameters 19.1 mm and 9.5 mm, sized for 3/4" fittings. Supplied as a MIX set (MPN 8-7202), it provides electrical insulation, strain relief and protection against moisture and abrasion for cable joints, terminals and connectors. Suitable for repair, harnessing and general electrical installations.