Akiles Diamond-1 Corner Rounder / Corner Cutting Machine w/ 1/4" Die from ABC Office Are ideal for rounding covers, pouches, pictures, all types of IDs, invitations, postcards, etc. Carefully crafted with only the highest quality components. | Work with all standard materials, like: PVC, polyester, leather, paper, polypropeline, etc. Have high productivity: Specially designed to cut through multiple sheets at a time with the least effort and with minimum die depreciation. Are practical: With an interchangeable die system for your various jobs.