Novamodulair1005 Flat top with Roller Brand Name Novamodulair Pitch 25.4mm Thickness 27.2mm Open area 0% Color Gery With Blue roller Belt material POM/PP/PE Certification ISO,FDA,SGS Support Sprocket Teeth Outside diameter Inside Diamteter Material 12 97 Ø20 30 40 Nylon 14 113 Ø20 30 40 Nylon