K&S Engineering 3400 1/16 - 13/32"x12" Telescopic Brass Tubing with .014 Wall 12 Pieces This bundle includes our most used 12" long sizes of Brass Telescopic Tubing. USED IN: DIY Projects (Jewelry, Home Decor, Tinkering, ETC...) Model Making (Trains, Planes, R/C Cars, Etc...) Arts & Crafts Home Improvement Electrical Woodworking Engineering Education. Puppetry Stop-Motion Animation INCLUDES: 1/16 3/32 1/8 5/32 3/16 7/32 1/4 9/32 5/16 11/32 3/8 13/32