It features ultra-retentive NiTi matrix rings that deliver non-slipping contact and exert the ideal tooth separation force. ● Ideal tooth separation force delivered by NiTi rings ● Designed for easy stacking of multiple retainer rings ● Guiding-rails on tines match the wedge profiles for better insertion ● 2 rings: standard for large teeth and narrow for small teeth ● Stays put on the teeth and stackable ● Autoclavable retainer rings Ring: ● Outstanding NiTi spring strength and memory provides optimal tooth separation force ● M-shaped tines accommodate wedge profile ● Undercut tine design improves durability and stability during placement ● Stackable for multiple restorations A3-Matrix: ● Pronounced marginal ridge for correct anatomical form ● Greater curvature on horizontal plane means more curvature remains as matrix wraps around tooth ● Gingival apron is shaped to eliminate gaps in the gingival-axial corner and conform to common cavity form Wedge: ● Wedge profile matches tine shape for easy entry and placement to provide the ultimate seal ● Stackable wedge design Kit contents: 10 - 3.5 mm M4 Matrix Bands 15 - 4.5 mm M4 Matrix Bands 15 - 5.5 mm M4 Matrix Bands 10 - 6.5 mm M4 Matrix Bands 1 - Forceps 80 - Diamond Wedges 20 - Adaptive Wedges 15 - Wedge Guards (3 each of L-Purple, M-Orange, S-Green) 2 - Nickel Titanium Ring R5 1.0: Orange - Molar, High Crown 6.3 mm Blue - Blue: Premolar, Low Crown 4.8 mm