... Knob 1.Material:zinc alloy+Steel 2.Finsh:Black/CP, GP/CP, PC/CP 3.Colour:black, orange ISO9001, ISO14001 Features: Zinc alloy adjustable ... carton dimesion: 40cm*20cm*17cm, pallet dimension: 102cm*80cm*14cm.3)Payment terms:L/C, TT, Westunion.4)MOQ:300pcs.5 ... system:ISO standard, 100% Whole range inspection through the production.3. Inspection euipment: Hardness test, torque test, salt spary endurance ...