Brand Name: Werner *Height: 16 ft. *Material: Aluminum *Product Type: Extension Ladder *ANSI Ladder Rating: Type II *Capacity: 225 lb. *Minimum Ladder Height: 8 ft. *OSHA Compliant: Yes *Twin Steps: Yes *Nonslip Tread: Yes *Step Rise: 12 in. *Rung or Step Depth: 1.75 in. *Weight Capacity: 225 lb. *Weather Resistant: Yes *Maximum Ladder Height: 13 ft. *Base Spread: 17.3 in. *CSA Listed: Yes *ANSI Certified: Yes *Number of Steps: 16 **13' maximum working length *Medium duty/ commercial use *No rope/pulley  *Yellow end caps and rail closures *Modified I-beam side rails *Traction-Tred serrated aluminum 1-1/4" flat rungs *Extruded aluminum double rung