Build your next project with these forged steel alloy threaded receivers and xAxis sealed flex joints from SPC Performance. Get the increased angularity of a mono-ball that has been equipped with high mis-alignment inserts, the reduced compliance of a spherical bearing, and better durability than rubber and urethane bushings with SPC's superior design. This assembly has LH M18-1.5 threads takes a 12mm bolt and is 40mm wide. 19deg of articulation, sealed dust boots, moly grease and a highly polished electroless nickel ball makes this the best joint on the market. These assemblies utilize a snap ring for positive retention and easy replacements. Download a package model into your CAD software and start designing today. California Residents WARNING