Amazon Basics 8-Sheet Cross Cut Paper Shredder and Credit Card Shredder - BlackBrand: Amazon Basics Color: Black Features: Cross cut paper and credit card shredder cuts material into approximate 0. 2 x 0. 7 inches (5 x 18 mm) pieces; meets security level P 4 standards Shreds up to 8 sheets of 20 pound bond paper at a time; shreds credit cards (one at a time, but not suitable for metal credit cards), staples, and small paper clips 3 minute runtime and 30 minute cool down; if unit goes beyond max run time, it automatically shuts