Special Case Length Gauge Features The Lee 32 Winchester Special Case Length Gauge is the easiest and most accurate way to trim your brass cases to proper length while also squaring the case mouth. The first step is to simply trim the brass case using your Lee Case Length Gauge and Shellholder then to screw in your Lee Lock Stud. Next cut the case and trim it to length. If you are looking for a quick and precise way to trim your .32 Winchester Special brass cases look no further than this Lee 32 Winchester Special Case Length Gauge. This tool ensures precise trimming to the predetermined length each and every time. Special Case Length Gauge Specifications Lee 32 WIN SPL Case Length Gauge is a precise easy way to trim to length and square the case mouth. Used with Cutter and Lock Stud. Trim to length 2.020 to 2.040 inches.