 	}()
 	
 	var value: Double? {
-		let scale = model.scaleRounded
+		let scale = model.lengthOfFullItem
 		if scale < 0.1 {
 			return nil
 		}

	}
	
	func computeItemSize() -> CGSize {
		return CGSize(width: CGFloat(model.scaleRounded), height: PrecisionSlider_InnerModel.height)
	}
	
	lazy var layout: PrecisionSlider_InnerCollectionViewFlowLayout = {

		if model.hasPartialItemBefore {
			if row == 0 {
				return CGSize(
					width: CGFloat(model.lengthOfPartialItemBefore),
					height: PrecisionSlider_InnerModel.height
				)
			}
