Precision machined steel for accuracy and durability
Fits Porter-Cable routers and many standard routers
Outer Diameter 3/8 inch
Inner Diameter 41/128 inch
Distance Past Base: 7/32 inch
The Porter-Cable 42037 3/8-inch Router Template Guide is precision machined out of steel for accuracy and durability. The Porter-Cable 42037 will fit Porter-Cable as well as many other popular routers. Specifications: OD = 3/8", ID = 41/128", Distance past base = 7/32".