One form - four functions. Simplify paperwork with these four-in-one forms.• Available in black ink only• Original serves as an on-the-spot invoice with space provided for parts and services• Material and labor record on the back of part 2• Promissory note on the back of parts 1 and 3• Record up to 10 transactions per form• Carbonless• Lined• 3 Part• Size: 5-1/2" x 8-1/2"