Cheap And Discounts 10PCS Quartz crystal oscillator straight plug two feet HC-49S passive clock oscillator crystal 8MHz 11.0592MHz 12MHZ 24.576MHz Wholesale. Buy Directly From Merchant JXNSGUW Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.