SCREW KIT 27 – Contains (4) #27 screws and (4) #31 shim washers. These screws are used to attach the Original Seam Phantom to a Makita Grinder or air polisher adapter. The shim washers are used to fine-tune the grinding angle. SCREW KIT 327 – Contains (4) #327 screws and (4) #31 shim washers. These are the longer screws used to attach a modified Seam Phantom to a Makita Center Water Polisher (PW5001C) through an adapter. The shim washers are used to fine-tune the grinding angle. Neither of these kits is used for Seam Phantom 2.0
