The Adaptor (Wera 870/4) is a tool shank/connection piece from WERA

Desco Europe Conductive Hanging Bins are specifically designed for storing and protecting electronic devices

but the manufacturer also notes that this head shape reduces cutting capacity compared to an oval head cutter of the same size

optimized corrosion protection)

The description adheres to data published on the manufacturer's product page

Krympeslange 19mm sort (2:1) 4m i minibox Unit(s):Box The Adaptor (Wera 870/4) is. Extraordinary application diversity, DERAY H heat shrink tubing, thin walled and flexible, flame retardant. Easy handling and dust free, organised storage of the opened package