HSM document shredders - Quality. Performance. Versatility. HSM office technology offers a large family of various document shredders, each one precisely tailored to a specific requirement. Whether for home offices, work offices, IT departments or professional document shredding. The only thing that never changes is the first-class quality of our high-end machines which are Made in Germany. 2 Year Limited Warranty on Shredder/Lifetime on Cutting Blades.