Overview Reviews Product Description ILCO 7181TK1 Thumb-turn Cylinder This is used to lock or unlock from the inside of the door, without using a key. * 1 1/8" diameter * Standard Cam included * Available in 5 finishes Product Videos Custom Field Product Reviews (No reviews yet) Write a Review Write a Review × Kaba Ilco Ilco 7181TK1 Thumbturn Cylinder 1-1/8" Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *