Price history on Walmart.com for
Blackstone Bike Lock with 130 dB Alarm 14 mm Heavy Duty shackle & 46 Inch Heavy Duty Hexagonal Anti-Theft Lock Chain
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Blackstone Bike lock is an ultra-strong used independently approved 14mm shackle lock with hardened steel construction. As well as being an extremely secure lock it has a built-in alarm triggered by movement sensors. And This Heavy Duty 10mm six-sided square-linked chain links made of 2t HARDENED MANGANESE STEEL for ultimate strength making it ideal for outdoor use
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