New Rockwell Rw9157 Accessory Fastener Kit Sonicrafter ROCKWELL ACCESSORY TOOL KIT MODEL RW9157 FASTENER TOOL KIT FACTORY SEALED NEW IN PACK SPECIAL SALE PRICE The Rockwell RW9157 is a set of replacement parts for the Rockwell SoniCrafter. The RW9157 includes a replacement screw; flange; and allen key for installation. If these parts break down or wear out on your SoniCrafter; the RW9157 will make it easy to switch them out to get longer life from the SoniCrafter. Features: Quick and easy to install