Overview Reviews Product Description Casio CT-102, CT-640 13 Note Rubber Key Contact Strip. Might also fit other similar models. Product Videos Custom Field Product Reviews Write a Review Write a Review × Casio Casio CT-102, CT-640 13 Note Rubber Key Contact Strip Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *