... door,window,cover,ladder bollards,ventilation first marine products.3.Products have CCS,ABS,GL,LR,BV,DNV,RLNA ... higher standards and requirements,and have IS9002 international quality certification system,in order to achieve product serialization,standardization,the internationalization ... your Package Standards.Length:3-1/8"Width: 2-5/8"Height: 4-3/8"Locking Adjustment:1-3/8"~3-3/8"Weight: 1lb ...