This is a 1/8" Two-Piece Launch Rod for Model Rockets from Estes. Suitable for Ages 10 & Older with Adult Supervision for Those Under 12. FEATURES: Replacement launch rod; ideal for most rockets Collapsible two-piece design Fits most Estes launch pads Includes a safety cap Instructions are included INCLUDES: One two-piece 1/8" (3mm) rod One safety cap Complete instructions REQUIRES: Assembly Adult Supervision SPECS: Length: 15-3/4" (400.05mm) Diameter: 1/8" (3mm) COMMENTS: Due to small parts that could cause a choking hazard please keep away from children 3 years of age and younger For your safety and enjoyment, always follow the NAR Model Rocketry Safety Code while participating in any model rocketry activities sdw 6/19/01 ir/jl updated tlc 1/8/13