Pipe Coupler-Fence coupler: to install fence piece by piece, special for 38mm O.D frame tube. Model Name: Pipe Coupler--Fence couplerModel No.: SPJ38 Features:1) Used for 38mm O.D. tube2) Material: 1.5mm, 2.5mm, 3mm armor plated with T-bolt3) Surface finish: painted, electro- galvanized4) Weight: 0.35kg, 0.4kg, 0.45kg5) OEM services are provided6) Can make products as per customer's requirements