Just fit a winder pole into the screw jack and wind it; and the window will open. A traditional window opener or screw jack is threaded brass rod that when twisted using an opener pole or handle extends to open your window or roof vent.
eBay
100pcs/Lot m3 screw Stainless Steel Flat Head Countersunk Phillips Machine Screws m3x6/8/10/12/20/25/30MM
Aliexpress UK
【High Load Capacity】: The leveling jack, possessing a carrying weight capacity, is suitable for machine tool applications, like milling machines, drilling machines, drill presses, processing machines, and more.
eBay
2 Pcs Screw Thread Pitch Gauge Ruler Measuring Tool Bolt Nut Metric Stainless Steel Screw Cutting Gauge Angle Model Measuring
Aliexpress UK
【High Load Capacity】: The leveling jack, possessing a carrying weight capacity, is suitable for machine tool applications, like milling machines, drilling machines, drill presses, processing machines, and more.
eBay
Screw Measurement Ruler Portable Thread Checker Bolt Thread Checker Measuring Gauge Tool For Bit Bolt Nut Screw Craft Home Use
Aliexpress UK
Tighten the required height by hand, then screw down the nut in the middle and lock the main body at the bottom to fix the height. Freely adjustable height, support to bear weight.
eBay
20-200pcs Black Carbon Steel Phillips Truss Head Screws M2.3 M2.6 M3 M3.5 M4 M5 M6 Cross Flat Head Self-Tapping Screws
Aliexpress UK
eBay
NINDEJIN 10-100pcs Round Button Head Hex Self Tapping Screw M2 M2.5 M3 M3.5 M4 M5 M6 Carbon Steel Allen Hex Socket Wood Screws
Aliexpress UK
Vintage Smiths super major no 10 screw jack used working condition TRACTOR? Commercial vehicle ? Maybe any questions please ask please see all pictures 2 form description
eBay
Screw Measurement Ruler Space Saving Measuring Gauge Tool For Bit Bolt Nut Screw Craft Industry Home Use
Aliexpress UK
【High Load Capacity】: The leveling jack, possessing a carrying weight capacity, is suitable for machine tool applications, like milling machines, drilling machines, drill presses, processing machines, and more.
eBay
8pcs R/C Drone Quadcopter Brushless Motor Mounting Screws Propellers Props Fixing Screws Spare Parts
Aliexpress UK
Effortless Plate Loading: The LiftBottle is the first of its kind, designed to support up to 250kg, making weight loading safer and more efficient. Prop the barbell on the bottle, slide on the plates, and get ready to lift with ease.
eBay
55-60 Degree Stainless Steel Screw Gauge Metric Iinch Screw Thread Pitch Gauge Blade Gage Pitch Folding Measuring Gauging Tool
Aliexpress UK