Unboxing the Bit-Check 30 Impaktor 1 📦 For more info on the Impaktor range head to the link in our bio. Wera’s premium Impaktor bits Impaktor bit holder = Longer service life, driving more screws than leading competitors. 🪛 The Bit-Check 30 Impaktor is available in two variants – Set 1, seen in this video, features our Impaktor Ring-magnet holder which securely holds screws, for faster and more reliable screwdriving. Set 2 features our Impaktor Stainless holder, which boasts an extra-slim body