They can be freely combined or used alone. 1 Year Limited Warranty: The snow removal broom can be easily detached into 3 parts- snow brush, ice scraper, and aluminum alloy pole. Multi-Limit Length Extendable: The smooth, multi-position aluminum alloy tie rod can extend from 51.8" to 62.4", and easily reach the middle of your windshield or the center of your car roof.