Price history on Walmart.com for
Master Lock 1-7/8 W Steel Dual Ball Bearing Locking Covered Padlock 1 pk
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The 5/16in (8mm) diameter octagonal shackle is 1-1/2in (38mm) long and made of Tough-Cut boron-carbide 50% harder than hardened steel offering maximum resistance to cutting and sawing. The 4-pin cylinder prevents picking and the dual locking ball bearings provide maximum resistance against prying and hammering.
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