The record power rptcwa70 is manufactured from grey iron castings and the 4 inch faceplate is individually machined on external faces to a tolerance of 11000th of an inch the cwa70 face plate has eight countersunk location holes which are geometrically located to ensure optimum holding position woodscrews are not supplied with this face plate however we recommend the use of no14 countersink screws and the length of screw will vary depending on your application the cwa70 face plate is suitable fo