The needle seats include:13mm,14mm,18mm,20mm

Needle tube diameter Specifications:12G-27G,Length Specifications:1/2'',3/8'',3/4'',1'',2'' etc.
Features: Thickened needle tube for bend-resistant.
Thickened precise needle seat for not easily depreciation.
Material: The needle seat is manufactured by Brass chrome plated.
The needle tube is manufactured by stainless steel.
The production includes a mixed model manual assembly line.