zink handle 1) Materials: zinc alloy 2) Surface treatment: powder coating 3) Color:RAL color system,all colors available 4) Operational life test:100000time at least 5) handles for aluminium windows 6) Easy to install 7) One handle to one small box 8) 100pcs to one carton 9) Meas: 0.023cbm/ctn 10) Pcs/Container: 143000pcs/20' 20002kgs/20' 11) Capacity:5000pcs/day 12) OEM service available 13) Fix pattern(installing tool) available