... is available(bending, hole-drilling, flaring, end-narrowing Stainless steel telescopic tube.As displayed, its diameter can be limited in an ... request.4) Length: According to customers' requests 5) Tolerance: 0.01-0.02mm6) Surface: Polished , annealed ,tempered7) Application: The products are ... .For more details, please make direct contact. Aluminium vacuum cleaner telescopic tube