The MC-10 has a 76 mm (3″) diameter vane style core holder. You can also use the included “coreless rewind” feature to rewind directly on-shaft. The MC-11 includes a precision-crafted adustable core holder that adjusts in seconds tp accept any core diameter from 25-to 101mm. Both MINI-CATs use LABEL Mate’s proprietary Constant Adjustable Torque™ (“CAT”) technology to achieve impressive, reliable performance at an unprecedented low price. A special motor, designed specifically for the MINI-CATs, offers bi- directional operation and trouble-free performance. A switch conveniently controls the amount of rewind force. No awkward, troublesome belts or clutches are used and no speed adjustments are required. Your MINI-CAT automatically adjusts to any printer speed up to 50cm/sec and even allows label back feeding automatically, if your printer requires it. The MINI-CATs have an inner label flange to keep the edge of the label web aligned as the labels are being rewound. Also available is an optional Adjustable Paper Guide (APG-MC) that mounts directly to the MC-10 or MC-11 base plate and guides the outer edge of the labels. For the MC-10, an optional plastic outer flange. Rugged steel construction allows your MINI-CAT to simply be set in place near your label printer. Special anti-slip feet keep the unit from moving.