CRL A-T Series Master Assortment Kit is a complete kit with six sizes of insert fasteners, deluxe tools and adapter heads. It is ideally used to install load bearing threads in any materials. It is best for production and maintenance repair applications. Specifications: The Kit Contains: one AA112 A-T Series Deluxe Hi-Torquer Hand Tool, 50 each of six different sizes of Riv-Nuts Steel Insert Fasteners, and one Conversion Kit for each thread size with complete installation instructions. All of this comes in a rugged polyethylene case ready for use under the harshest of conditions, in the plant or in the field. Fifty of each A-T Series Insert Fasteners ATS2440 #4-40 ATS2632 #6-32 ATS2832 #8-32 ATS21032 #10-32 ATS2420 1/4"-20 ATS2518 5/16"-18 One of each Conversion Adapters AAT202440 #4-40 AAT202632 #6-32 AAT202832 #8-32 AAT2021032 #10-32 AAT202420 1/4"-20 AAT202518 5/16"-18 One AA112 Tool all in a plastic case. DS 06/25/2016