Replaceable/add-on link (link 16) for the Leatherman Tread multitool. . Black version for which high-quality 17-4 stainless steel has been coated with a tough, scratch-resistant DLC coating.. This coating increases corrosion resistance and reduces glare, which is undesirable in some cases. Tools: - Square screwdriver #1, - square screwdriver #3, - 9 mm universal flat wrench for nuts. Tools. Guarantee: 25 years! . Technical data . Color: black Material: stainless steel 17-4 . Manufacturer: Leatherman, USA . Additional materials Manual