Features: Applications: Construction, concrete slabs, carpentry, interior and exterior fittings, renovation projects, masonry. Converter/Accessory- Designed to work quickly with drilling and assembly tools of various sizes. Self-locking, productivity increase by 30% when changing drill bits- also has good abrasion resistance. Domestic and industrial applications Use: Recommended on air hammers Use an adapter/air hammer., Weight: 0.89066753848 pounds, Manufacturer: Jaywool