Worker Mod 550 Aluminum Tube with 1.6 Spring for Swift Blaster

DESCRIPTION 1.Compatible with WORKER Swift Blaster. 2.It has been tested that the 550 aluminum tube matches well with the 1.6 spring, which improves the various performances of the blaster. 3.550 aluminum tube 1.6 spring can also be used with a fishing line tube of 100 degrees to have better accuracy. 4.Blaster not included! 5.Suitable for people over 14 years old,because the installation of this product requires some disassembly capacity.SPECIFICATIONS Color:Silver Material:Metal Package Weight: 130g Packing Size (LxWxH, mm): 55 x 8 x 5PACKAGE INCLUDED 1 x Aluminum Barrel tube