Car Screw Kit 10''L 1.52'' OD Full Stainless Steel with booster Modular Solvent Fuel Filter Screw Cones 1.375x24 Thread

Thread Mounts: 13 threads for choice
Adapter for booster 1-3/16x24

Modular  Solvent Fuel Filter Cleaning Tube  kit is one of the most versatile in the cleaning tube  market because of its distinct modular design. MST kit features 60-degree cups for unparalleled performance, as well as an included thread mount, tube and end cap. With a straight cone shape that tapers to a smaller diameter , MST was designed with performance and customization in mind.
In its longest configuration, this trap is 32 ounces and 10 inches long.
 

Booster

Introducing the new Booster. The use of the booster assembly allows your device to properly cycle when the weight of a solvent tube is added to the end of your device. Most semi-devices with a browning type action will require a booster to properly cycle.

Weight 3.8oz
Booster assembly includes piston
Booster threads are 1-3/16 x 24.(1.1875x24)

For semi-device only. 

Weight: 0.12 lbs
Dimensions: 2 x 2 x 2 in
Size. 1/2 x28 9mm Caliber

A booster is required for all semi-device that utilize the Browning-type action .The use of the booster allows your device to properly cycle when the weight of the solvent is added to the end of the your device.

Material: Stainless Steel and Aluminum
What are in the booster?

1x Aluminum Black Body
1x Aluminum Black Cap
1x Stainless Steel Spring
1x Stainless Steel Piston
1x Wrench