Vogel Dynamics World Champion Glock Pistol Sights, Robert Vogel, Bob Vogel All Glock Pistols Including: 17,19,22,23,24,25,26,27,28,31,32,33,34,35, USPSA, IDPA, IPSC, 3-Gun, 3 Gun Designed by a World Champion for the equal balance of accuracy & speed in Practical Shooting. The wider/deeper rear notch & fiber optic front sight makes them desirable for high speed shooting. Vogel Dynamics World Champion Glock Sights. Front & Rear Sight Set, comes with red fiber optic, and screw. Front: .220 tall, .117 wide / Rear: .250 tall, .150 wide, .130 deep / Fiber Optic Rod Size: .040 Recommended for all Glock pistols including Glock 17, 17L, 19, 22, 23, 24, 25, 26, 27, 28, 31, 32, 33, 34, 35, 37, 38, 39