Master Lock No. M1 STS MK Padlock 

• Stainless Steel Body Cover
• 1-3/4" (44mm) Wide Laminated Steel Body
  
• Top & Bottom Plates for Exceptional Weatherability
• Dual Ball Bearing Locking For Superior Pry Resistance
• Rust Resistant Chrome-Plated Octagonal Boron Carbide Shackle
  
• Shackle: 1" (25mm) Tall
• Master Keyed (MK): Each lock in the set will have its own unique key, and a Master Key will open all locks in the set. Master Keys (MK) are Sold Separate 
• Specs_Width: 1-3/4" Wide; A: 5/16" (8mm); B: 1" (25mm); C: 13/16" (21mm)
• Best Used For: Outdoor Security including, Security Gates & Fences; Storage Buildings; Trailers, Trucks & Towing; Construction Sites & Equipment 

For M1 STS MK Extra Cut Keys

Master Keys for M1STS MK Padlocks