Recommanded to use following parts : Turnbuckles 48mm (HB112962) / Ball Cup Set (HB112724) / Ball Stud 4.8x5x8mm (HB112728) if build with 2mm washer or Ball Stud 4.8x5x10mm (HB112963) if build with more than 3mm washer / Washer Set (HB112797)