Double Wire Binding Machine HP5008A-----twin wire Binding material: double wire, hard plastic ring Max. binding thickness: 14.3mm double wire Max. punching thickness: 18 paes(80g) Max. binding width: 300mm Hole distance: (3:1) 8.47mm 34holes Depth adjustable: range (2.5 6.5MM) Hole size: 4.0X4.0mm (3:1) Punching form: Manual Pull&push movable pins: ALL size:430X320X180MM