Is assembly required? Yes, assembly is required before using the Prime Bed Handle. For more detailed instructions on how to assemble the Prime Bed Handle, please refer to our assembly video and instruction manual. What types of beds can be used with the Prime Bed Handle? The Prime Bed Handle can be used with most traditional beds with box springs, platforms, or slats. It not is not intended to be used with adjustable beds or with extra soft mattresses. Can the Prime Bed Handle be used on beds with an adjustable base? No, for safety reasons, we do not recommend using the Prime Bed Handle on adjustable beds. On what size of mattress can I use the bed rail? The Prime Bed Handle can be used on Twin, Full, Double, Queen, King, and California King mattresses with thickness between 6 and 15 inches. Is this bed rail ASTM certified? Yes, this bed rail has been tested and certified safe by ASTM to prevent risks of falls and suffocation. It is one of the few bed rails on the market to have passed the ASTM F3186-17 Safety Standard Specification for Adult Portable Bed Rails. A Bed Rail for Every Need and Every Budget Prime Bed Handle Add to Cart Prime Safety Bed Rail Add to Cart EZ Adjust Bed Rail Add to Cart Mobility Bed Rail Add to Cart Advantage Traveler Add to Cart EZ Click LTC Bed Handle Add to Cart Customer Reviews 4.5 out of 5 stars 109 4.5 out of 5 stars 109 4.6 out of 5 stars 7,792 4.5 out of 5 stars 429 4.5 out of 5 stars 690 3.8 out of 5 stars 25 Price $154.99$154.99 $171.50$171.50 $109.00$109.00 $92.24$92.24 $79.00$79.00 $279.99$279.99 Unique Feature Removable Handle Removable Handle Adjusts in length Swing-out mobility arm Folds in half Removable handle Weight Capacity 400 lbs 400 lbs 300 lbs 300 lbs 400 lbs 500 lbs Rail Length 10.5" 27" 26"-34"-42" 19" 17" 20.25" Fits Mattress Heights 6"-15" 6"-15" 12"-16" 10"-15" 10"-16" 6" Fits Bed Types Traditional Beds — Traditional Beds Traditional Beds Traditional Beds Long-term Care Beds ASTM Certified ✔ ✔ ✔ ✔ ✔ ✔