Handy set of the most popular sizes for cutting wood and metal. Includes 1 x TT922AF, 2 x TT644D, 1 x TT611DF and 1 x TT922HF. Compatible with all standard 1/2″ connection recip saws. Handy set of the most popular sizes for cutting wood and metal. Includes 1 x TT922AF, 2 x TT644D, 1 x TT611DF and 1 x TT922HF. Compatible with all standard 1/2″ connection recip saws.