WE R MEMORY KEEPERS-Cinch Bindery Tool With Square Holes. Bind your projects in three easy steps! Just punch holes, thread sheets, and cinch wire. The Cinch allows you to punch the perfect holes without measuring and your projects will lay flat while punching up to twenty sheets of copy paper at once! Bind between .325 inches and 1.25 inches using double O wires or spiral binders (not included). Hole pitch: 2:1. This package contains one Cinch Bindery Tool measuring approximately 11-1/2x8x5 inches and instructions. Imported.