Truth-type operator for casement window

Replacement part for your window opening mechanism. Technical specifications: 10 7/8". 4 7/16". 4 15/16". Fixed arm length - 10 7/8" Pivoting arm length - 4 7/16" Base width - 4 15/16" Opposite side available (see DEF5-146) Version with pivoting arm going downward also available (see DEF5-149B) Compatible handles: DEF5-177 - DEF5-180 DEF5-178BL - DEF5-178CH DEF5-179 - DEF5-179CH DEF5-181 - DEF5-182 DEF5-185 - DEF5-189 DEF5-187SV - DEF5-187C Note: Make sure to verify installation side (left or right) before ordering. Professional service available: Vosthermos offers on-site installation service within 100km radius around Montreal. Call us at 514-825-8411 for a free quote.