Free Shipping Included! Master Lock - Four (4) High Security Pro Series Padlocks 6321NKA-4 w/ BumpStop Technology. by Master Lock at American Trade System. MPN: 6231NKA-4. Hurry! Limited time offer. Offer valid only while supplies last. FEATURING BumpStop TECHNOLOGY - Lock bumping a surprisingly simple method of breaking in through locked doors and padlocks - is undoubtedly the newest emerging threat to personal property security. And virtually all locks in use today are particularly vulnerable to bumping. Until now. BumpStop Advanced Cylinder Technology employs an innovative, patent pending design which utilizes a unique reverse rake tapered driver pin, high performance springs and tightly machined cylinder chambers. During a
Product Description & Reviews
FEATURING BumpStop TECHNOLOGY - Lock bumping a surprisingly simple method of breaking in through locked doors and padlocks - is undoubtedly the newest emerging threat to personal property security. And virtually all locks in use today are particularly vulnerable to bumping. Until now. BumpStop Advanced Cylinder Technology employs an innovative, patent pending design which utilizes a unique reverse rake tapered driver pin, high performance springs and tightly machined cylinder chambers. During a bump attempt, this design prevents the transfer of force from the bump key to the pins and therefore blocks rotation of the cylinder so that the lock remains locked.inquire and we can normally have them in a couple of days.
Features & Highlights
- This listing is for four (4) High Security Keyed Alike Padlocks w/ 8 keys. ProSeries® Padlocks are designed for Commercial/Industrial applications. Limited Life Time Warranty.
- If you order two 4-packs they will NOT necessarily be keyed the same. To buy multiple 4-packs keyed alike you need to purchase the locks via fulfilled by MERCHANT - HOW TO FIND: When you look at the listing there is a link showing the Other Sellers on Amazon. This is under the "add to cart button". Look for the 4-pack fulfilled by Merchant LocksChocksTiedowns. If you purchase any 4-pack multiple we will automatically key all locks the same.
- These locks feature the BumpStopTM Advanced Cylinder Technology. (for explanation see more product details below).
- DIMENSIONS: 2-1/8 (54mm) wide heavy steel body, each weighing 1.55 lbs. A 5/16 (8mm) diameter hardened boron alloy shackle with 3/4 (19mm) inside height clearance.
- Solid iron shackle shroud resists harsh physical attacks. The removable cylinder can be replaced or re-pinned. 5 spool pin tumbler cylinder for added pick resistance. Dual ball bearing locking mechanism resists pulling and prying.
MASTER LOCK PRODUCT WARRANTY: Limited Lifetime Warranty. Master Lock Company LLC (Master Lock) grants the following warranty: If this product or any part of the product fails due to a defect in materials or workmanship at any time during the life of the product, Master Lock will, at its own discretion, repair or replace the product or part free of charge. Simply contact Master Lock at www.masterlock.com or 1.800.464.2088 for instructions on obtaining repair or replacement.
4.8 x 4.49 x 7.28 inches
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