Features:_x000D__x000D_Made of high quality material, very durable and stable to use. _x000D_It provides a stable signal for integrated circuits and it stabilizes the frequencies of radio transmitters and receivers. _x000D_This set is organized by size in transparent storage bag for quick access and protection. _x000D_There are 10 different size to meet your various needs. _x000D_Widely used in TV, automobile electronics, pc cards, electronic meter, DVD, MP3, MP4, etc. _x000D__x000D_Specifications:_x000D_Material: Quartz Crystal_x000D_Color: Silver_x000D_Quantity: 50pcs (10value and each value 5pcs)_x000D__x000D_Weight: Approx. 26g _x000D_Sizes & Quantity _x000D_32.768KHZ 2*6_x000D_5pcs 32.768KHZ 3*8_x000D_5pcs 4MHZ 49S_x000D_5pcs 6MHZ 49S_x000D_5pcs 8MHZ 49S_x000D_5pcs _x000D_10MHZ 49S_x000D_5pcs 11.0592MHZ 49S_x000D_5pcs 12MHZ 49S_x000D_5pcs 20MHZ 49S_x000D_5pcs 24MHZ 49S_x000D_5pcs _x000D__x000D__x000D__x000D_Package Included: _x000D_50 x Quartz Crystal Oscillator 1Made of high quality material, very durable and stable to use 2It provides a stable signal for integrated circuits and it stabilizes the frequencies of radio transmitters and receivers 3This set is organized by size in transparent storage bag for quick access and protection 4There are 10 different size to meet your various needs 5Widely used in TV, automobile electronics, pc cards, electronic meter, DVD, MP3, MP4, etc.