3M(TM) Heavy-Duty SKE-30/76 End Cap Black, for cable diameters 1.18-2.36 in, 10 per case 3M(TM) Heat Shrinkable End Caps are typically used to seal cable ends and provide moisture, mechanical and environmental protection. SKE end caps are for heavy-duty applications. This end cap comes in a quantity of 10 each per case. 3M(TM) Heat Shrinkable End Caps are typically used to seal cable ends and provide moisture, mechanical and environmental protection. SKE end caps are for heavy-duty applications. 3M(TM) End Caps SKE are manufactured from semi-rigid flame retardant, cross-linked polyolefin. They are supplied with a factory applied adhesive lining for reliable environmental sealing. Six different sizes accommodate a broad range of cable diameters. Standard Color: Black.