The description on the manufacturer's page specifies this application area without further clarification of specific processes or sectors

Wera 840/1 Z Hex-Plus (05056303001) is a replaceable bit designed for hexagon socket screws with a Hex-Plus 1

Cable insulation

and the product weight is listed as 60 g

Krympeslange 76,2mm sort (2:1) 15m MIL361101111 The description on the manufacturer'sDERAY H thin wall cross linked polyolefin heat shrink tubing DERAY H from DSG CANUSA is a thin wall, cross linked polyolefin heat shrink tubing designed for electrical insulation and mechanical protection. The product has a 2: 1 shrink ratio and requires a minimum of 110C to begin shrinking. DERAY H is flexible and is stated to have good resistance to common fluids and solvents. Function and properties The heat shrink tubing is used where electrical