8Sinn 1/4″-3/8″ Reduction Screw Key Features – Stainless steel – Reduction from 1/4″ to 3/8″ Presented Reduction Screw is designed to make a 1/4″ mounting screw fit a 3/8″ mounting point. Thanks to this screw, the mounting points becomes smaller and allows attachment with a 1/4″ screw. Like the other 8Sinn screws, the reduction screw is made of stainless steel. Dimensions Height: 11mm Width: 7 mm Weight: 1g