GC1000 Ergonomic Sausage Caulk Gun Ergonomic and Long Reach allows worker to reach the ground without bending or kneeling. 42" long design can reach up to 10 ft from the ground. All Aluminum build; lightweight, durable and won't rust. Universal; use 10 oz tubes or 10 oz, 20 oz and up to 34 oz GPacks (sausages). Delivers plenty of power with an 18:1 mechanical advantage.