KZ11Q Serise: bandwidth 10.8mm,all300 stainless steel,slotted head.
KZ12Q1 Serise: bandwidth 10.8mm,all300 stainless steel,5mm slotted head.
KZ12Q2 Serise: bandwidth 10.8mm,all300 stainless steel,7mm slotted head.
KZ12Q3 Serise: bandwidth 10.8mm,all300 stainless steel,8mm slotted head.
KZ14Q3 Serise: bandwidth 10.8mm,all300 stainless steel,8mm slotted head.