The No. 51-MJ hand tool with two sleevepressing grooves is used for all M and J lettered Nicopress Stop Sleeves for cable sizes 3/32″ through 7/32″. The “M” groove of this tool can also be used for the No. 18-3-M and No. 28-3-M Oval Sleeves.
The No. 51-Q-929 single-groove tool is used for galvanized steel Stop Sleeves No. 871-1-Q and No. 871-3-Q.