SPECIFICATIONS THRESH 1.5 THRESH 2.5 THRESH Riser Made of Recycled Rubber Non-skid surface Modular design Limit of use 1.5" 2.5" use with 1.5 or 2.5 " Lengths 14.5" 24" 24" Ramp weight (pounds) 18 40 23.5 X2 Ramp width 48 48 48 Weight capacity (pounds) 600 600 600 For manual wheelchairs For power wheelchairs For scooters Usage guidelines (consult your equipment's owner guide for proper degree of incline). Never exceed its recommendations. Sliding doors, thresholds, etc. Sliding doors, thresholds, raised landings, etc. Sliding doors, thresholds, raised landings, etc. *weights are approximate and may vary