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LSW20 20v $ 40 ($ 79.20 Walmart online):
http://www.walmart.com/ip/Black-D…r/19528935

Brickseek Product ID 19528935

LSW36 40v $ 60 ($ 129 Walmart online):
http://www.walmart.com/ip/Black-D…r/24766559

Brickseek Product ID 24766559