When needed to use built in gear box and removable handle，GTYK series One direction Gear Box will be one of the choices.。

In order to match different aluminum kinds, different sizes are available.

GTYK

Product Code	Product Description	Catalogue
GTYK	“YK” Multipoint Lock Gear Box

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– GTYK series Lock Gear Box is only suitable for 43mm screw hole distance handle
Can Use Up To 4 Locking Points Max

Zinc Alloy

None

None

- 盡量避免使強力清潔劑(例如:漂白水/酒精)或具腐蝕性的潤滑劑
- 由於GTYK系統有不同尺寸，可訂做適用於普通鋁窗或幕牆窗，建議提供圖給我廠配置。