All Metal Design Drives 5/16 (No. 1) Diamond Points Adjustable Strike Force The best and fastest way to glaze wood sash is to start off with a CRL PD9 Diamond Point Driver. Secure the glass in place with CRL No. 1 Diamond Points and warm up the putty. Adjustable strike force allows the user to drive the points deeply enough in hard or softwood frames to hold the glass with 1/8 (3.2 mm) of exposure over the glass. This low profile is easily covered during putty application.
You are buying what is in the photos. I am not certain what point size this is for.
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