This system includes :
5.2mm Delrin Collor-2pcs
6mm Delrin Collor-2pcs
Stainless metal Round Head Screw 3x10-4pcs
Made with a quality light weight high tensile power aluminum 6061 T6 for great durability. Hand-inserted Delrin collar helps you to reduce any additional space. Multiple placement holes to regulate the angle associated with tie rods for different play modes.
To instal: 5.2mm Delrin collors for lower placement holes. 6mm Delrin collors for top positioning holes.