20-0817 HOSE SEPARATOR CLAMP, 2-WAY, THREADED Anodized black billet aluminum clamp used for securing -6AN hard tubing, wire harnesses, etc. Includes a M6x 1mm stainless steel bolt. Both inner diameters (ID) are 0.39inch (or 10mm). NOTE: Part Numbers 20-0417 and 20-0817 are similar. Listed below are the differences.a. 20-0417-The bottom clamp has a through hole (not threaded). It requires a M6x 1mm threaded boss for securing the provided bolt.b. 20-0817-The bottom clamp is thread tapped. The provided bolt screws into the bottom clamp. As shown below, a threaded boss is not required.