Master Lock M5 STS MK Padlock 

• Stainless Steel Body Cover
• 2-Inch (51mm) 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
• Cylinder: 4-Pin W1 (K1) Cylinders
• 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: 3/8" (10mm); B: 1" (25mm); C: 15/16" (24mm)
  
• Best Used For: Outdoor Security including, Security Gates & Fences; Storage Buildings; Trailers, Trucks & Towing; Construction Sites & Equipment 

For M5 STS MK Extra Cut Keys

Master Keys for M5 STS MK Locks