Better Homes and Gardens BHW-10009 Manual De Instrucciones página 8

9. Attach three Slat Supports (J) to the Mattress Support Slats (I) with three 38 mm Bolts (2).
10. Set the adjustable Floor Leveler underneath each Slat Support (J) to the correct height.
NOTE: Use only mattress which is 74 in. (1.88 m) to 75 in. (1.90 m) long and 52 ½ in. (1.33 m)
to 53 ½ in. (1.36 m) wide on the bed.
ASSEMBLY INSTRUCTIONS
② X 3
8