Product Description Rubber pulley lagging Regroover: 1#Blade(square head &round head): Groove dimension-2-4mm/7mm(max) 2#: Groove dimension-4-6mm/8mm(max) 3#: Groove dimension-6-8mm/10mm(max) 4#: Groove dimension-8-10mm/14mm(max) 5#: Groovedimension18-22mm/18mm(max)
