This electric paper drill has a drilling capacity of 50mm. The maximum paper width is 376mm and back margin from 6 to 35mm. The drill bit diameter is 4 to 6mm. This electric hole punch has several settings from 2 hole - 80mm, 3 hole 2 and three quarter mm, 3 hole 4 and one quarter, 4 hole 80mm, 23 hole 12.7mm. Purchasing each unit.