Semroc 4 x 18mm engine mount kit is designed to convert the SLS Laser-X into a quad 18mm standard engine powered rocket. Simply assemble, insert into SLS Laser-X, and twist into place. Accepts 4 - Estes 18mm "A", "B" and "C" size model rocket engines. Fly your SLS Laser-X with 4 - C6-5's and reach an altitude of 900 feet. Made in the USA |