MW solid driveshafts are designed to be used in vehicles with solid mounted rear ends and where a single coupler is not long enough. Note that MW has standard lengths available in lengths of 6", 8", 12", 14", 16", 20", 24", & 28". 16 spline, 1-3/8" diameter, 4340 material, your choice of length up to 34" max.
Manufacturer: Mark Williams Enterprises, Inc.