Cramer Stop-Step Aluminum Ladder: * Rolls when pushed and stops when stepped on * Scratch-resistant powder coating * Steps have nonslip treads * Dimensions: 21-1/4"W x 20-1/4"D x 22-7/8"H * Compliance and standards: ANSI, OSHA * Pre-consumer recycled content: 98 percent * Maximum load capacity: 300 lbs