The K9 A-frame has 2 sections, 36" wide surface, and 2 by 4 frames underneath for support. The 2 sections are attached with 3 gate hinges and 3 ft. slip thru rod. Slats are 12" apart. Easy to assemble and remove. 2 chains for height adjustment. Chains are attached to heavy duty eyebolts underneath surface, with heavy duty quick links.