This is a Fusion Firearms Pro-Series grade 1911 part, CNC Machined, Stainless steel, extended “Combat paddle”, Low-Profile, Ambidextrous thumb safety for the 1911 style Colt pistols, in Brushed polished stainless finish. With “Combat Paddle” width and Precision CNC machined from 17-4 PH Stainless Bar-Stock & heat treated. Some standard fitting may be needed. Will work with all 1911 Colt style pistols, models, clones and sizes. This is a high grade Premium Professional grade Gunsmithing part.