Progress Drills - smaller types a complete Catalogue Collection Progress Drills - all smaller types. A set of detailed catalogues for the No. 16, No. 16S, Junior 3/8", Junior 1/2", Junior 1/2" Pillar, No. 0 (1/4" capacity), No.1 and No. 1S early, No.1 and No. 1S late, 2G, 2GS and 3A. 26 pages. Manufacturers: Progress Elliott Models: No.1 No.1S No.16 No.16S Junior 3A 2G 2GS Contents: Catalog