Novamodulair400 Roller type Brand Name Hairise Pitch 50.8mm Thickness 15mm Open area 0% Color Gery/White Belt material POM/PP/PE Certification ISO,FDA,SGS Support Sprocket Teeth Outside diameter Inside Diamteter Material 8 129 Ø20 30 40 Nylon 12 194 Ø20 30 40 Nylon