Special ET-Type Low-Profile Step-Nose Clamp Strap, Medium Length, Top-Step. Designed for the Aerospace Industry for turning jet engine housings. These clamps hold low on the part to turn or mill just above the clamp.  The flat head clamping screw is recessed below the top surface of the clamp.  
1-1/4"W x 3-1/2"L x 1/4"H
Slot for 3/8 Flat Hd. Screw
~ High Quality
~ 1018 Steel
~ Case Hardened
~ Black-Oxide Finish
~ Made in USA