Machine Model Descriptions:

Available in a Post or Arm style
 
Standard 7/16" Crown Machine, .017x.103, .020x.103, or .023x.103 Wire, 10/25LB Coil Holder
IS-1244 12" Throat
IS-2047 20" Throat
IS-2544 25" Throat
IS-3044 30" Throat
IS-3644 36" Throat
IS-4244 42" Throat
 
1-3/8" Crown Machines for .037x.074 Wire, 10/25 Coil Holder
WSIS-1244 12" Throat
WSIS-2047 20" Throat
WSIS-2544 25" Throat
WSIS-3044 30" Throat
WSIS-3644 36" Throat
WSIS-4244 42" Throat
 
1-1/4" Crown Machines for .020x.103 Wire and Arched Wire Attachment or .028x.103 Flat Wire, 10/25-LB Coil Holder 
ISUA-1244 12" Throat
ISUA-2047 20" Throat
ISUA-2544 25" Throat
ISUA-3044 30" Throat
ISUA-3644 36" Throat
ISUA-4244 42" Throat