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Master Lock No. 1KALF A520 Proven Durability Padlock
Q: Can My No. 1KALF-A520 Lock Be Keyed Into A 21KALF-System?
A: Yes, With Clean Transitions Into Master Lock's Rekeyable Steel Series, You Can Now Move Your Existing "A520" Key System Into The No. 21 Series Industrial-Strength Locks.
Q: Will My 25KALF System Also Accept "A520" Keys?
A: Yes, As Both The Nos. 21 & 25 Series Can Take Several Keyways, Including The 4-Pin K1.
Q: How Long Does It Take To Special Order?
A: Please Allow 18-21 Working Days' Lead Time For All Laminated Steel Series Padlocks.
Q: Which Non-Keyable Steel Locks Feature KA-A520 Keys?
A: 1KA-A520, 1KALF-A520, 1KALJ-A520, 3KA-A520, 3KALF-A520, 3KALH-A520, 5KA-A520, 5KALF-A520, 5KALJ-A520, M1-A520 Cut Keys
SKU-M1KALF-A520
The 1KALF-A520 Delivers The Proven Durability Of Master Lock's Most Popular Line, Using Solid Laminated Steel Lockbodies With Trusted Shackle Heights & Fierce Key System Integrity, Which Can Be Safely Transferred To Industrial-Style Lockset Models.

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