Revolving head knurling tool with double knurl and self-centering head for manual lathes. Includes one set each of Coarse, Medium and Fine pitch diagonal (BL and BR) pattern knurls to produce a 30° diamond pattern on your part.
Size of Holder: 1/2 W x 1-1/8 H x 6-1/2" L
Knurl Dimensions: 3/4 x 3/8 x 1/4"