ZGE BOM LIST - BONDTECH Dual Gears kit 1.75mm or 2.85mm/shaft dia 8mm * important if use Iroberti order the 4mm x 22mm driven gear pin Short ZGE order the 4mm x 25mm driven gear pin - 4x4mm precision Square Rod - Steel or Stainless steel - 390/400 mm lenght - ZGE Bearings 8x - 3x8x3 ZZ (slider) 2x - 8x16x5 ZZ (extruder) 2x - 10x19x5 ZZ (frame motor holder) 2x - 12x21x5 ZZ (print head extruder holder) - Fastener metric M3 SOCKET HEAD BOLTS & NUTS - ADJUSTABLE FRAME MOTOR HOLDER 2x 20mm (UM2 frame) 2x 18mm (UMO frame) 2x 8mm + nut 1x 35mm + nut - MOTOR SHAFT/SQUARE ROD COUPLER 4x 12mm + M3 nut - STEPPER MOTOR HOLDER 4x 10mm 3x 16mm + nut - SLIDER 10x 18mm + nut - GEAR DRIVE SHAFT 2x 18mm + nut - EXTRUDER - IRoberti version * 3x 8mm Hexagon socket button head (or Philips equivalent) 3x 30mm + nut - SHORT version * 4x 8mm Hexagon socket button head (or Philips equivalent) 1x 30mm + nut - SPRING SREW for the 2 Extruder versions 1x 35/40 mm HEXAGONAL head + nut - Short ZGE Spring pressure guide 2x 4mm x 18mm pin