1.Muller Martini Corona C12 Gatherer – 21 pockets + 2 handfeed stations at back
Minimum untrimmed	4 x 5 ½”
Maximum untrimmed  (max. signature width depends on spine length)	12 Ό x 19 11/16”
Minimum untrimmed insert  (must be between sigs)	3 7/8 x 4 ½”
Maximum pre-gather out of pocket	Ό” thickness
Number of hand feed stations	2
Fold-out signatures > Ύ” lip only; > ½” possible with additional pocket setup  (max. lip size depends on weight of stock)
Binder
Minimum untrimmed	4 x 5 ½”
Maximum untrimmed  (max signature width depends on spine length)	12 Ό x 19 11/16”
Minimum book thickness (cover to cover)	0.079" (2mm)
Minimum book thickness (w/o cover)	0.055"
Maximum cover spine to face (Perfect Binding)	12 1/8"
Maximum cover spine to face  (Lay-flat Binding) (yielding a 11 7/8” wide book)	12”
Maximum book thickness (Perfect Binding)  (up to 10 7/8” width)	2 3/8”
Maximum book thickness (Lay-flat Binding)	2”
Minimum cover width	8 Ό”
Maximum cover width (12” spine to face)	25 Ό”
Minimum cover length	5 ½”
Maximum cover length	20”
Minimum cover thickness (4 pt.) caliper	0.004”
Maximum cover thickness (24 pt) caliper. Greater than 24 pt. requires testing.	0.024”