1" (25MM) Size Interchangeable Double-Face, Light Weight Upholstery Soft Mallet + 2 Spare Heads - SFH25
This hammer is in perfect size for small upholstery nails application, it's good to work with Crystal Upholstery tacks and Small (7/16") Steel upholstery tacks as well. They don't damage diamonds or steel nails surface.