【Various Sizes】 Dental Sectional Matrix System Refill Wedge in Small, Medium, and Large. Dark blue (24pcs), Light blue (24pcs), White (24pcs). 【Tail for Precision】 Tail aids in clamping and force direction adjustment for accurate dental procedures. 【Dual-Sided Use】 Hollow underside for second wedge placement, safeguarding papilla during treatments. 【Gentle and Effective】 Upturned, smooth tip prevents rubber dam piercing, ensuring comfortable gap insertion. 【Hygiene Assured】 Autoclavable at 134℃, maintaining sterility. Includes dental tulwar wedges for added value.