bottom plate This item was sourced on www.MFG.com as one of the items in an RFQ in USA for Injection This plate must be made of HDPE plastic. there is a top plate with no bumps and a bottom plate with bumps thus there will be two tools Approximately 228.6 mm x 127.0 mm x 13.058 mm. Please see drawing for all specifications. Part Part Number: 0001 Material: Thermoplastic Material Grade: Technical Specifications Category:Injection Dimensions228.6 x 127.0 x 13.058 mm Tolerance:0.127Annual Usage:10000.0 The following suppliers (machine shops, fabricators, casters, molders, 3D printing, CNC machining, etc.) provide manufacturing services and are members of the MFG.com community. For more information visit http://www.mfg.com. MFG.com performs a 5-point inspection on all engineered parts and RFQs to ensure quality and enhance your quoting experience Injection: Injection molding is a manufacturing technique for making parts from thermoplastic material. Molten plastic is injected at high pressure into a mold, which is the inverse of the desired part shape.