Single Clamp Perfect Binding BQ-160 Perfect Binder and Padder PADDING SPEED: 120 books/hr. PERFECT BINDIND SPEED: 180 books/hr. Warm-Up Time: 20 minutes Book Thickness: 0.04″ to 1.6″ Book Block Size (Min./Max.): 2.8″ x 5.1″ to 13.7″ x 11.8″ Cover Size (Min./Max.): 2.8″ x 10.1 to 13.6″ x 25.1″ Cover Weight: 82 to 302 gsm (22 to 80 lb.) BQ-270V Perfect Binder SPEED: Max. 500 cycles/hr. Book Thickness: 0.04″ to 2.00″ Book Block Size (Min./Max.): 5.32″ x 4.14″ to 12.59″ x 12.59″ Cover Size (Min./Max.): 5.32″ x 9.06″ to 12.59″ x 25.98″ Cover Weight: 82 to 302 gsm (22 to 80 lb.) Cover Pile Height: Max. 2.75″ BQ-160 PUR Perfect Binder and Padder SPEED: Max. 180 cycles/hr. Glue Type: PUR Book Thickness: 0.04″ to 1.57″ Book Block Size (Min./Max.): 2.76″ x 5.04″ to 13.77″ x 11.81″ Cover Size (Min./Max.): 2.76″ x 10.08″ to 17.77″ x 25.19″ Cover Weight: 82 to 302 gsm (22 to 80 lb.) BQ-P60 Perfect Binder, Padder, & Spine Taper SPEED: Max. 180 books/hr. Book Thickness: Max. 0.9″ Book Size (Min./Max.): 8.3″ x 5.9″ to 12.4″ x 8.2″ Cover Size (Min./Max.): 8.3″ x 11.7″ to 31.4″ x 17.5″ Cover Weight: 82 to 210 gsm (22 to 60 lb.)