The Cylindrical Tuning Fork from Bomar Crystal is a RF Quartz Crystal with Frequency 30 to 200 KHz, Frequency Stability -0.045ppm, Frequency Tolerance ±20ppm, Drive Power Level 100 µW, Load Capacitance 6 to 12.5 pF. Tags: Thru Hole. More details for Cylindrical Tuning Fork can be seen below.