These are high quality, brand new, super smooth spiral binding elements. Works with any binding machine that will punch and insert a 4:1 binding element.
Quantity: 100 coils (comes in a great resealable box to keep your coils straight)
Size: 8 mm
Pitch: 4:1 (4 to 1)
Length: 12"
Sheet of paper that these coils will bind: 60 (this is the number of sheets of paper that can be bound) This is a general guideline based on 20# paper. Paper can vary in thickness depending on type and grade. To give an accurate estimate, a copy of the publication should be measured for thickness.
Book thickness: 1/4"
Colors shown in photo may not truly reflect the color of the coil because of variations in monitor types. Please refer to the stated color above.