Glue binding machine These high caliber and solid cowhide impersonation spreads can be utilized on the greater part of the Namibind hot soften folios. All you requirement for an impeccable restricting is a cover and 2 endpapers. Spreads are appropriate for books with substance from 35* to 400* pages. Standard spreads are accessible with spine widths from 20 mm0.31 to 0.79″ thick**.