Center Clamps • Material: 1018 Steel • Case Hardened, Black Oxide Finish • See Clamp Rest below to place in center groove • Finger grips on both sides Clamp Rest • Material: Low Carbon Steel • Screw Case Hardened, Black Oxide Finish. • Many sizes conform to TCMAI standards • Clamp Rests can be used with Center Clamps Clamp Supports • Includes Washer, Spring and Shaft Collar • Black Oxide Finish on washer only Shaft Collars • Material: 12L14 Steel • Zinc Plated • Set screw draws collar to stud 34