10pcs Plastic Steel C-type Self-lock Pneumatic Components, SF+PF-20, SF+PF-30, SF+PF-40, SH+PH-20, SH+PH-30, SH+PH-40, SM+PM-20, SM+PM-30, SM+PM-40, SP+PP-20, SP+PP-30, SP+PP-40, Round Triplet

1. Product Material: plastic steel
2. Medium: air
3. Double sealing design, multiple press tests, no aging and air leakage of sealing ring
4. Adopt a self-locking structure, you can operate with one hand
5. Iron galvanization, no rust, can still be used in humidity environments