Amana tool BTG-100 10-Piece Brass Template Guide Set

Includes 7 different guides, adapter & 2 threaded lock collars in a molded plastic case. Includes the following sizes (ID x OD) 1/4 x 5/16, 9/32 x 3/8, 11/32 x 7/16, 13/32 x 1/2, 17/32 x 5/8, 21/32 x 3/4, 5/8 x 51/64.