Armstrong Ceilings Prelude XL Fireguard Black 60 Pack 47.06 in Galvanized Steel Ceiling Grid Cross Tee Shingles 000 RPM motor provides the best Color Finish:Highland Walnut 000 RPM motor provides the best power to weight size ratio available Dust Ejection System provides durability by ejecting damaging dust and debris particles that enter the tool Oversized brushes provide 2 times the brush life over previous model (D28402) Large spiral bevel gear provides long transmission life One Touch guard allows for 360 ° rotation of the guard with a single action Quick Change wheel release allows tool free wheel removal without the need for a wrench Top mounted and protected spindle lock button maximizes depth of cut without compromising durability Uniquely small gripping surface in this power class allows for the best comfort available in this class with soft curves and tailored backplates that feel timeless 6875 Package Quantity 60 Commercial Residential Commercial Residential Installation Method Drop Paintable Yes Rust Resistant Yes Sag Resistant Yes Style Basic Traditional Surface Type Smooth Warranty 10 year limited Linear Feet per Carton 240 Profile Prelude 15 16 in Connection XL staked on stab end detail Coating Hot dipped galvanized Frequently Asked Questions (FAQ): Sleek Strength for Modern Drop Ceilings