Alpha Aviation's unique tail weight design allows the secure anchoring of compression or torsion loads without the need for numerous sandbags and anchor chains. The Model 375 Tailweight/Post is a safer and more professional approach to securing the tail of an aircraft undergoing maintenance. It is shipped knocked down, and is easily assembled and weighted using six (6) sixty pound bags of Quickcrete -- obtained locally.Specifications: 32 lbs (15Kg) shipping weight.