Place of Origin : Gaoyao,China
8''- 13.5 Base-Square Groove
1.For casement window
2.Made in SS 304, SS 201
3.Square groove, two- pivots pointed, straight arm or curve-surfaced arm
4.Biggest open angle 65°
5.After 50,000 times opening tests
6.Specification: 4 arms, length 8'', base width 13.5mm, arm thickness 2.0mm