GSB 18V-55 User Benefit. GSB 18V-55 Technical Information. 1 x GSB 18V-55. GDR 18V-200 User benefit. 1 x GDR 18V-200. GDR 18V-200 Technical Information. 2 x 18v 2.0ah battery. Compact head length of 126 mm for working in tight spaces.
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