M-Beam 200 I-Beam Pocket Edition
From Kerbal Space Program Wiki
Description Manufactured by Dinklestein Kerman's Contruction Emporium and having been handcrafted by Dinkelstein himself, the M-Beam 200 works great for making rockets and skyscrapers alike. This one's half as long as the normal version, for building smaller skyscrapers and/or rockets.
Specifications
Total Mass: O.1875 Drag: 0.2 Maximum Temp: 3200 Impact Tolerance: 80