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A fiber centering ring for centering a BT-20 (18mm motor tube) in a standard BT-80 body tube.

A fiber centering ring for centering a BT-50 (24mm motor tube) in a standard BT-80 body tube.

This is a standard size model rocket launch lug that fits over a 1/8" launch rod.

This extra-long launch lug fits a 1/8" launch rod. It can be cut to the desired length or used for special projects requiring a longer launch lug.

This is the standard size launch lug for larger model rockets.

This is a package of five zinc-plated steel screw eyes. Diameter: 9/16" Eye Inside Diameter: 3/16" Shank Length: 13/16" Overall Length: 1 3/8"

These are large, 1/4", launch lugs which are usually used for mid-power rockets.

This is a package of five zinc-plated steel screw eyes. Diameter: 9/64" Eye Inside Diameter: 3/8" Shank Length: 11/16" Overall Length: 1 3/8"

This is a package of two black "micro" rail buttons for use with rails made from 10mm "MakerBeams." Each button consists of two parts - a barrel and...

This is a package of two white "micro" rail buttons for use with rails made from 10mm "MakerBeams." Each button consists of two parts - a barrel and...