This is a lot of 100 pieces of miniature clock crystal oscillators. The manufacturer is Kinseki and the model number is #FXO-31F. The frequency is 33.333MHz; they are 5 volt and surface mount. These oscillators are compact with a thin ceramic package and a metalized lead for surface mounting.  They are cut from a new opened  reel. Shipping & handling USPS 1st class within the continental US is $5.25 for 1st lot/100 each and $.75 for each additional lot. Email us through ebay to obtain international shipping quotes.