Web-Shooters

Web-Shooters are Personal weapons of Spider-Man. He refills them with Web Cartridges when ever he runs out of webs. He uses the Web-Shooters to shoot webs. They appear in The Amazing Spider-Man.

The Amazing Spider-Man
Little is known about the Web-Shooters except that Peter Parker creates them to shoot webs with.

Trivia

 * There is a possible reference to the Web-Shooters in Spider-Man 2 when Peter loses his abilities to shoot webs, as in the comics, he never had the ability to shoot webs from his bare-hands, but he always used the Web-Shooters.
 * The Web-Shooters appear in the film as they appear in Spider-Man: The Animated series, with a red button Peter presses to eject webs.