Selectable Closing Force Adjustable Closing & Latching Speeds Non-Handed Installation Universal Application With Regular-Stamping HO Arm Features & Application Comply with EN1154 Standard, over 500,000 cycle test. Selectable power size 2 to 4 according to EN 1154. Adjustable closing and latching speed. Non-handed for standard, top jamb or parallel arm installation. Universal application. Available with regular, hold-open or sliding arms. Hold-open arms can be adjusted for stop angle.