Wooster Brush SR090 Sherlock GT Convertible Extension Pole, 2-4 feet Special bayonet Grip Tip holds Wooster tools in place so they cannot twist or loosen R042 Conversion Tip stores in the end of the grip to make all threaded tools GT compatible Instantly change tools with one push on the fiberglass reinforced nylon lever Hexagonal aluminum inner pole prevents twisting and outer pole is made of rugged fiberglass Easily adjusts in 6 Inch increments with a touch of the thumb and then locks securely in place