Player's Handbook 5.5e
Ability: Dexterity
Weight: 10 lb.
Cost: 50 GP
Utilize: Assemble a Tiny item composed of scrap, which falls apart in 1 minute (DC 20)
Craft: Musket, Pistol, Bell, Bullseye Lantern, Flask, Hooded Lantern, Hunting Trap, Lock, Manacles, Mirror, Shovel, Signal Whistle, Tinderbox