Mr. LongArm's Alumiglass® extension poles are the perfect heavy-duty pole for all your professional and DIY needs. The Alumiglass® utilizes a smooth fiberglass handle with rubber hand grip for a comfortable no-slip work day and an anodized aluminum slider that won't rust. The heavy-duty metal threaded end fits all types of threaded tools and the Lok-thread® prevents tools from loosening during use. The Alumiglass® uses an external chuck and collet locking device provides a secure lock at any length.