Features:

• The paper margin is adjustable. You can adjust it 2.5/4.5/6.5mm when binding.

• It can punch 12 pages (80g) at most, or PVC 3 sheets.

• It can bind 450 pages at most.

• 100pcs 3/8" black PVC comb binding spines is available for your use, you don't need to buy it separately.

• It is very easy to use, you can operate it with one hand.

Specifications: 
Solid metal base, non-slip feet, anti-rust paint. 
Paper Margin: 2.5/4.5/6.5mm 
Square Hole Size: 3*8mm, 21 holes 
Type of knife: Single knife, removable 
Paper Format: A4(210mm×297mm) paper or smaller sizes 
Punch up to 12 PCS(20lb paper) at one time. Or bind 450 sheets(2" comb spine). 
Comb Binding Spines: 100pcs, black color, PVC material 

NOTE: 
1. It is only used to bind normal papers 
2. Please clear paper scraps before use 
3. In order to make the binding machine work better, grease the knife head