The portable Sidekick Sharpener is designed to perform routine, accurate maintenance sharpening of scalers and curettes.This straightforward device guides you and your scaler to sharp, consistent results time after time. Points of Performance. Easy-to-use guide channels and vertical backstops allow simple positioning of scaler and curettes to provide consistent sharpening results every time. Provides consistent sharpening results aiding in instrument longevity. Cordless, lightweight, portable sharpening anywhere, anytime. Reciprocating stone does the work so you don't have to. Maintains sharp blade and accurate angles.