Specifications: 1 Width of rail:Locks in place at 26",34" & 42" after installedon bed 2 height of rail: 23"high from the base of mattress 3 Gap between rail:3" 4 made for bed type :attaches to any home or hospital bed with included safety strap 5 weight ofproduct:14lbs 6 weight capacity:400lbs 7 Assembly:installs in minutes with 4bolts and alan wrench 8 package dimensions:28"L*21"W*1.25"H 9 case dimensions:4/case,28"L*21"W*6"H 60lbs