Size 10mm Diameter shrinking down to 3mm Diameter. Adhesive lined heatshrink end caps. Used to seal the ends of plastic, rubber and paper insulated cables from moisture, dirt and corrosion. End caps are used for protecting the unused cable from environmental effects. They also offer insulation on the unused end of electrical cable connected to supply.
They can be used on cables at up to 0.05 MPa internal pressure between -30°C and +70°C.