Item specifics Condition New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is applicable). Packaging should be the same as what is found in a retail store, unless the item is handmade or was packaged by the manufacturer in non-retail packaging, such as an unprinted box or plastic bag. See the seller's listing for full details. Country of Manufacture: China 1. Applications: The Pencil Hardness Tester is applicable to determine the hardness of coating film. It is suitable for labs and building sites. It also can examine the hardness of coating film on any direction. 2. working principle The instrument is mechanical. Three point (Two wheels, and a lead core) contact the tested surface always to ensure the pencil and the tested surface forms the angle of 45 degrees, so as to push the movement of the instrument, to complete the testing process. Speed: 1mm/second. 3. Standard accessorries 1). 14pcs* Janpanese pencils: 6B, 5B, 4B, 3B, 2B, B, HB, F, H, 2H, 3H, 4H, 5H, 6H 2). 1* Pencil hardness meter (500g) 3).250g and 500g calibration weight 4) 1* Cushion block 5). 1* Knife 6) 1*eraser 7). 1* User manual