Replacement compressors are designed for slide fasteners. Use with bases measuring 2-3/4" between prongs.
                                                                             
                                    
                                        
                                                                                               General Information 
  Manufacturer:  National Industries For the Blind
  Manufacturer Part Number:  7510-00-291-0140
  Manufacturer Website Address:  http://www.nib.org
  Product Name:  Replacement Compressor
  Packaged Quantity:  100 / Box
     Product Information 
  Sheet Capacity:  300
     Physical Characteristics 
  Color:  Silver
  Material:  Steel
     Miscellaneous 
  Additional Information:  2.75" Center to Center