The aluminum main body has an air cylinder inside to control the sticking out and retraction of needles
Crossed needles
Adjustable Stoke of steel needles
Small thickness
Application
Suitable for special applications with limited installation space
Structure
(1) Mounting hole
(2) Compressed air inlet control needle sticking out
(3) Compressed air inlet control needle retracted
(4) Main body
(5) Steel needle
