Give a laser guideline during your putt to check your putting plane and aim. Easily attaches to most golf putters. Zone D -HS, IV41-IV49, IV51-IV56,KA27-KA28, KW15-KW17, PA20, PA41-PA49, PA60-PA78, PH42-PH44, ZE, IM (isle of Man), Channel Islands.
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