The Secustik hoppe security system allows the handle to only operate from the inside so that the window cannot be opened from the outside using another handle
Maniglia martellina dk vitoria hoppe per serramento con secustik e variofit, lunghezza quadro 7x32-42 mm, alluminio finitura bronzo f4 | Tuttoferramenta
HOPPE 10787880 Fenstergriff, VK, Silber eloxiert Toulon Secustik Window Handle 7 x 32-42 mm Anodised Silver - Amazon.com
Hoppe Fenstergriff Brest Secustik® 32-42 mm 0739/US954 Alu natur F1 weiß F9016 | eBay
Martellina DK Los Angeles Secustik con quadro a lunghezza variabile e viti Hoppe
HOPPE Atlanta-Secustik 10763909 Window Handle with Lock 45° VK 7 x 32-42 mm Silver : Amazon.com.be: Tools & Home Improvement
Secustik® - HOPPE | United States & Canada
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Hoppe | Tilt And Turn Window Handle | Atlanta Series | M0530/US956
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