35mm verborgen scharnier boormal gids scharnier gat boor gids timmerman houtbewerking gereedschap gat opener locator deur kast

standard: Material: Aluminum alloy material Product features: precision manufacturing, accurate positioning, and convenient operation. Usage: 35mm hinge hole installation, door hinge drilling and positioning, woodworking auxiliary tool. How to use: 1. Install a 35mm hole opener, adjust the drilling depth to 12-13mm normally, and then lock the limit ring. 2. Adjust the fixed size of the quick clamping black pressure block (note: this tool can adjust the size of the fixed plate to 15-25mm)