Master Lock 3MK B10 Master Key Padlock 

• Commercial Grade Padlock Features Protection from Drilling & Prying
  
• 1-9/16" (40mm) Wide Reinforced Laminated Steel Body for Superior Strength
• 3/4" (19mm) Hardened Steel Shackle (9/32" diameter) for Extra Cut Resistance
• Dual Ball Bearing Locking for Maximum Pry Resistance
  
• Non-Rekeyable, 4-pin W1 Cylinder Helps Prevent Lock Picking
• Keying: Pre-Keyed to Existing Master Key System MK# B10 (MK-KD)
• Change Keys: Each Lock Will Come With 2 Change Keys (KD)
• Master Keys: B10 Master Keys are Sold Separate (MK)
• Specs_Width: 1-9/32" Wide; A: 9/32" (7mm) B: 3/4" (19mm) C: 5/8" (16mm)
  
• Delivery: All Special Key Number Orders Have a 12-15 Day Factory Lead Time and Are Non-Returnable  

For 3MK Extra Cut Change (KD) Keys

Cut Master Keys for 3MK-B10 Padlocks