Wexford 8-Sheet Strip Cut Paper Shredder Black - Shreds Credit Cards Too! Extendable arm fits wastebasket opening sizes from 11 in (27.9 cm) up to 15.75 in (40 cm) Shred size: 0.31 in (8 mm) strip cut Shreds credit cards 3-way power switch: Auto/Off/Reverse 12.1 in x 5.1 in x 14.6 in (30.8 cm x 13 cm x 37.1 cm)