Check the listing for details. 11ozs.= Approx 100 Mounted Grinding Abrasive Wheels 1/8" Dremel Type (18162-E4). Condition: New – Open box. Listed at 8.50 USD. 12 ozs. = Approx 100 Pieces of mounted Grinding Abrasive Wheels 1/8" Shank - Stone is .420" (Approx 7/16") x 1/8" Wide - 1-3/4" Tall - Great for Dremel Type Work - Some of the Grinding stones may very in thickness but most are as stated. Outside Diameter is pretty consistent. We Have 1,000s of these so if you need bulk lat us know. We typically Ship on Monday - Wednesday & FridayIf you are making an Offer, Please Note Shipping is NOT NEGOTIABLE we will sometimes discount the item you are interested in but shipping is as statedPLEASE visit our Ebay Store we have modified categories to make your search easier on many items Almost all our Listings have a Make Offer. We may give discounts especially on items that have been listed for a long time or offers for more than one piece. Please do not make offers if you want it shipped right away. I may wait to accept your offer to evaluate it. WE DO TRY OUR BEST TO DETERMINE THE CONDITION OF THE ITEMS WE SELL - BUT SINCE MOST OF THE ITEMS WE SELL COME FROM MAINTENANCE INVENTORIES OF CLOSED PLANTS, AUCTIONS OR OVERSTOCK INVENTORIES THIS IS SOMETIMES DIFFICULT - CONTACT US IF YOU NEED FURTHER INFORMATION OR PICTURES OF A SPECIFIC AREA - IF YOU FIND ERROR IN THE PRODUCT YOU PURCHASE PLEASE LET US KNOW YOU HAVE 30 DAYS FROM SHIPPING DATE TO RETURN IF NOT HAPPY - RETURNS ARE ACCEPTED AT BUYERS EXPENSE BUT YOU WILL BE REQUIRED TO CONTACT US PRIOR TO SHIPPING - PROPERLY PACKAGE THE ITEM AND INSURE IF NECESSARY - IF THE ITEM IS RETURNED DAMAGED YOU WILL BE REQUIRED TO FILE A CLAIM WITH THE SHIPPER We offer Local Pickup @ Columbia Station OH 44028 but arrangements must be made in advance especially on items over 200 Lbs.