Use: universal outdoor use. High corrosion resistance thanks to stainless steel A2 Overlying semi-circular head with flush tightening surface. Suitable for thin fittings with through hole. Optimum power transmission and clean fit even when processing overhead with Spax bit T-Star plus T20 with guide pins International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions., Weight: 1.322773572 pounds, Manufacturer: SPAX