316 stainless steel adjustable base used for sofa 1. material: SS316L 2. ISO certificate 3. tolerance: ... -0.2mm 316 stainless steel adjustable base used for sofa1. material: stainless steel2. ISO certificate3. tolerance:0.05mm ... .5~1020mm 5. Delivery: one time, one step 1) Material: Steel, Brass, Copper, Stainless steel, Plastic, Aluminium, POM ... 316 stainless steel adjustable base used for sofa