Zinc, die-cast 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; rugged fiberglass outer pole. Easily adjusts in 6 In. increments with a touch of the thumb, then locks securely in place.