Tap Set: M4 x 0.7 Metric, 4 Flute, Bottoming Plug & Taper, High Speed Steel, Bright Finish MPN:C69274

The Plain White with Window Mailing Envelope: 4in Wide, 9-1/2in Long, 24 lb is ideal for professional use requiring simple yet elegant mail presentation. Its white plain exterior paired with a window design offers versatile and professional communication options catering to office or individual needs without compromising quality at an affordable price point. Additionally, its heavyweight construction ensures protection for important documents or contents thus providing reliable solutions in mailing time after time proving its unbeatable value among various sectors and industries needing efficient communication methods.