This product has the capacity of 40 booklets 1 15 sheets per booklet 80 gsm or less and 2 10 sheets per booklet over 80 gsm it manages the following sizes a4210 x 297 mm 216 x 356 mm or a3297 x 420 mm the saddle stitch stapling is 2 15 sheets or 8 60 page booklet 50 90 gsm this product can scorecrease fold 1 15 sheets or unstapled folding