The NOVA chuck fastening spares kit is used to secure accessory jaws to your NOVA chucks. The kit comes standard with all NOVA chucks - this is a replacement kit to keep you up and running in the event a fastener is lost or damaged. The kit contains eight M6 screws, two hex wrenches, a grub screw, and a fiber Washer. Features: used to secure accessory jaws to your NOVA chucks comes standard with all NOVA chucks handy pack to have on hand in the event a fastener is lost includes (8) NOVA chuck screws, hex wrenches, grub screw and fiber Washer fits all NOVA chucks NOVA NSF fastening kit spares for chucks is an accessory fastening spares kit for the NOVA chucks. All the items come standard with NOVA chucks. Contains 8 M6 screws, Allen wrenches, grub screws, fiber washers. Handy spares pack to have on hand in the event of fasteners going missing.