General replacement switches for knock wrench electric tool accessories features tool installation, allowing users to replace switches within 30seconds without professional tools. Engineered with knock resistant polycarbonate housing and alloy components, this full of durability switches withstands 650W up to load while maintaining precise current regulation for sensitive operations. Ideal for both handmade enthusiasts and professional mechanics requiring power tool maintenance across automotive workshops and construction sites. Perfect for repairs during vehicle maintenance or high intensity industrial applications where quick component replacement ensures uninterrupted workflow efficiency. Package includes: Replace switches 1 piece