Corrosion-Resistant 4in Threshold Ramp 800lb Capacity Durable
2.Heavy-Duty Load: Built from 6063-T5 aircraft aluminum with a solid 2 mm core, this door threshold ramp supports up to 800 lbs. Easy Access: This threshold ramp (21.7 in W x 34.0 in L x 4 in H) makes thresholds and curbs a breeze.
