9000 Series Reusable Full Face Respirator, Large, Airborne Particles Gases Vapors, Thermoplastic Elastomer no checkout Half round block Best quality black horsehair Half round block Best quality black horsehair and plastic blend border with inside rows of black SR grade plastic Use to sweep fine to medium debris on all types of surfaces General purpose selection of the most frequently used nut drivers Full hollow shafts facilitate work on long bolt applications Cushion grip handles allow for greater torque and comfort Internal flanges provide solid streamlined design for exceptional worker acceptance Exclusive over molded lens offers greater field of vision Lighter weight for superior all day comfort Less cost and easy maintenance with very few replacement parts Stand away head harness for easy donning and doffing