The Slide Hammer Kit, from G & B Products, offers four thumbscrew sizes which can be used with 4”, 5”, 7” and 10” pliers. The Slide Hammer Kit will help when removing rusty brake line retaining clips, without damaging parts. Cotter pins can be easily removed from castellated nuts. Nails can be gingerly removed from delicate trim work, especially in tight places. Made in the USA.