OEM ServiceProduct Description Details :
Made of PVC material
Size from 6mm to 51mm
Available in folded and unfolded form
Pre-cutting size: 21 rings, 19 rings, 38 rings, 42 rings & 84 rings
Compatible with all standard binding machine All Size Detail SpecificationSize(mm)Size (Inch)For pages(70g)Loops for A4pcs/boxboxes/cartonG.W.(kg)6mm1/4"20pages21loops
100205.68mm5/16"40pages21loops100206.810mm3/8"60pages21loops100208.411mm7/16"70pages21loops1002010.412mm1/2"80pages21loops100106.214mm9/16"100pages21loops100107.516mm5/8"120pages21loops1001010.218mm11/16"140pages21loops1001011.219mm3/4"150pages21loops1001012.620mm13/16"160pages21loops1001012.822mm7/8"180pages21loops50107.825mm1"220pages21loops50109.228mm1-1/8"240pages21loops501010.832mm1-1/4"260pages21loops50109.835mm1-3/8"320pages21loops50101038mm1-1/2"350pages21loops501011.645mm1-3/4"400pages21loops501013.451mm2"450pages21loops501015.4From 6-28mm , they are round ; 32mm-51mm is oval , 25/28mm also can make oval .Our CompanyShow RoomCertificationsabout SShippingContact Us