Carr Lane CL-30-JP | 5/16" Diameter Jig PinJig Pins Removable locating pins, precision ground for accurately aligning holes. Similar to an L or T Pin, but with an integral shoulder to keep the handle raised, and with pin diameter ground . 0003" under nominal size. To convert from a T handle to an L handle, slide the roll pin handle by tapping it with a hammer. Made in USA. Application Information Jig Pins have a roll pin handle that can be converted from a T handle to an L handle. Material