Overview Reviews Product Description ETD 150 is a variation of AISI Alloy 4142 with machining additives and comes in the prehard conddition. Precision turned, ground and polished to extremely tight diameter and straightness tolerances. Product Videos Custom Field Material Steel Shape Round Rod Alloy ETD 150 Diameter 0.669 inch Length 24 inches Finish Turned, Ground, Polished Product Height 0.669 Product Width 0.669 Product Length 24 Product Weight 2.4 Product Reviews (No reviews yet) Write a Review Write a Review × 0.669 (17 mm) x 24 inches, ETD 150 Alloy Steel Round Rod, Turned, Ground, Polished Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name *Email *Review Subject *Comments