Geena (ED1) torsion spring ring This item was sourced on www.MFG.com as one of the items in an RFQ in USA for Drawing Production of a torsion spring ring. Approximately 7.872" OD x 0.4" long. Please see drawing for specific dimensions. Part Part Number: 152-0001-000 Rev B Material: Aluminium Material Grade: Technical Specifications Category:Drawing Dimensions10.16 x 199.9488 inch Tolerance:0.254Annual Usage:4000.0 The following suppliers (machine shops, fabricators, casters, molders, 3D printing, CNC machining, etc.) provide manufacturing services for the machine tool industry, automotive industry… For more information visit www.MFG.com. MFG.com analyzes all engineered parts and RFQs for improved manufacturability and to ensure quality and a quick quoting experience. Drawing: Deep drawing is a stamping process in which sheet metal is 'drawn' over a punch as it forces the metal into a recessed die. Deep drawing produces cup-like shapes.