A scaler key is a small, durable, hand-held tool designed to: - Attach or remove ultrasonic scaler tips from the handpiece. - Ensure proper torque is applied to avoid damaging the tip or handpiece. - Maintain infection control, as many keys are autoclavable (sterilizable). Features: - Design: Often ergonomic with a socket or hexagonal end for engaging the scaler tip base. - Compatibility: Specific to the manufacturer/model of the ultrasonic scaler (e.g., EMS, Woodpecker, NSK). - Sterilizable: Autoclavable. - Material: Stainless steel-grade plastic.