6.4mm Molar Matrices with Extension - Blue, 60/Pk. Non-stick Slick Bands Sectional Matrices are the first sectional matrix bands to virtually end the problem of difficult-to-remove matrix bands. With a micro-thin coating bonded to dead-soft stainless steel, Slick Bands provide a 92% reduction in band adhesion. Band thickness .0016'. Package of 60 bands