Product name: WERA 840/4 Z bits

Product information and technical data are provided on the manufacturer's product page

as specified in the manufacturer's material:

Ergonomisk to-komponents håndtag med stort volumen for forbedret kraftoverførsel og høje momentværdier

Further manufacturer documentation and downloads can be found on HORSTMANN's product page for BO-A 2

Tin-spole SN100CS® – SnCu0,7Ni0,05Ge0,025 (325x28x15mm) 3,0 mm MIL6106301501 Product name: WERA 840/4 ZTin wire SN100CS SnCu0,7Ni0,05Ge0,025 3. 0 mm SN100CS from Balver Zinn is a further development of the recognized SN100C alloy and has been developed for professional soldering processes where high process stability, low oxidation, and consistent solder quality are crucial. The alloy combines tin, copper, nickel, and germanium to create a lead free soldering solution with proven benefits in electronics manufacturing, rework, and industrial soldering.