... . TBI brand qualtiy guantee. Linear guide shaft TBI brand Dia. 40mm supplied by SNE Application: 1.Optical axis is widely used ... , 12mm, 13mm, 15mm,16mm, 20mm,25mm,28mm, 30mm, 32mm, 35mm, 40mm, 45mm, 50mm, 60mm. ( image) , length can cut as per customer ... guide, cylinder linear rail. We are sole TBI brand certificate holder approved by Chinese Government. Why you buy from us? Reason ...