This is a 1/8" Two-Piece Launch Rod for Model Rockets from Estes. FEATURES: Replacement launch rod; ideal for most rockets. Collapsible two-piece design. Fits most Estes launch pads. Includes a safety key and safety cap. Instructions are included. INCLUDES: One Two-Piece 1/8" (3mm) Rod One Safety Cap One Safety Key (fits the Estes Electron Beam Launch Controller) One Cord Complete Instructions REQUIRES: Assembly Adult Supervision SPECS: Diameter: 1/8" (3mm) COMMENTS: Keep away from children under 3 years of age due to choking hazard.