Worm gear driving mechanism inside diecast housing, with steel arm and 3/8" diameter spindle. Used on steel and aluminum-framed windows. Handing: Right SKU: 42900377 MFG: H 3523 Shop more products by Prime Line. Shop for Window Parts & Supplies on sale from the biggest home hardware repair tools store in USA SHARE Share on Facebook Tweet on Twitter Share on Google+ Pin on Pinterest Free shipping over $35 Sold out $16.99 Quantity Sold Out Sold out Request a Bulk Quote Thank you for your quote request. We will be in touch. DETAILS Description DESCRIPTION Highlights: Worm gear driving mechanism inside diecast housing, with steel arm and 3/8" diameter spindle. Used on steel and aluminum-framed windows. Hand determined by window hinge location from inside home looking out. Handing: Right Length: 9" Housing Type (Shape): Square Body Color: Bronze Material: Mixed Materials. FEATURES MFR: H 3523 SKU: 42900377 UPC: 049793035233 Brand: Prime Line