Magnetized hammers, Fig.

161, are used in many trades for driving brads and tacks, where it is hard to hold them in place with the fingers.
[Illustration: Fig.158.

Claw-Hammer.] [Illustration: Fig.159.

Riveting-Hammer.] [Illustration: Fig.160.

Upholster's Hammer.] [Illustration: Fig.161.Magnetized Hammer.] [Illustration: Fig.162.