Simple One-person 3 step setup: Clamp It! Raise It! Swivel It Straight! Features: Custom designed clamps reduce branch trimming Stable 20" base holds a tree up to 12' tall with trunk diameter as large as 5.75" not exceeding 120 lbs. Extra large water reservoir holds up to 4 1/2 quarts of water to keep your tree fresh with minimal refilling Drain slots prevent messy spills during disassembly Impact Grade Polymer Construction that won't crack rust or harm floors. Large bolts and comfortable handles make tightening screws easy. Accelerator ring spins to quickly and simultaneously grip clamps around trunk. Revolutionary pivoting base supports trees up to 12-15 feet. Trees larger than 12 feet may require extra care during assembly additional support and pre-drilled holes to allow mounting to a plywood base.