Trade name: Broca Esf. Diam. Hi-Line Great. Thick IT / Drill Esf. Diam. Hi-Line Great. Thick Tip Technical Name: Broca Esf. Diam. Hi-Line Great. Thick IT / Drill Esf. Diam. Hi-Line Great. Affected serial numbers: 51745118, 51649830, 51708484, 51838047, 51634741 and 51293170. Note: The unit of lot 51293170 was used during the disclosure project. of the product in 2005, and is not distributed to the customer.