Master Lock M5 STS KA 2551 Padlock 

• Stainless Steel Body Cover
• 2" (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
  
• Cylinder: 4-Pin W1
• Shackle: 1" (25mm) Tall
  
• Keyed Alike (KA): Pre-Keyed to Key Number 2551 (KA# 2551); 2 Same Keys
• Specs_Width: 1-3/4" Wide; A: 3/8" (10mm); B: 1" (25mm); C: 15/16" (24mm)
  
• Delivery: All Special Key Number Orders Have a 12-15 Day Factory Leadtime and Are Non-Returnable 

For M5STS KA 2551 Extra Cut Keys