| The DDK Extension pole is a 5/8" aircraft grade hollow steel tube with a SDS style drill shank to fit a hammer drill. The opposite end consists of a spin off style 5/8" socket with a .400 inch hole at the bottom. At the top of the socket are 2 small .062 inch holes to accept a small spring clip. Each pole comes with a drill bushing with a hole to accept a .218 diameter drill bit shank. |
| The DDK Electrical box Poly insert is exactly what you need to eliminate the need for duct-taping your electrical boxes to prevent concrete from entering them. Not only does our insert save you time, but it also will save you money. . |
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