... (can be set up to 9999) Recommend reasons of Digital Press Roller: 1. International advanced technology, reliable quality, 2. Human ... design, easy operation, 3. Reasonable price Note: Digital Press Roller can be used with Ink-layer Adhesive tester together ... , testing ink-layer adherence. Keywords of Digital Press Roller: Roller Tester, Standard Roller, Electric Roller, Ink- ...