High-visibility green is easy to find in toolbox or work area Patented interlocking nose to hold blade securely Three-position, retractable blade Contoured handle with diagonal ribs for a positive, slip-resistant grip Blade storage in handle Includes 3ea 11-921 Blades. 5-5/8" Length. Works With 11-911, 11-921, 11-931, 11-961, 11-983, 11-937, 11-938, 11-939 and 11-987 Blades.