Spur Gear 8mm Inner Hole Pinion Gear 25T Mod 1 Plastic Motor Gear Pins Grommets Size (approx): 14mm inside

Grommets Size (approx):  14mm inside diameter

with key retaining and 90 degree rotation

Kit includes one 304 stainless steel drop rod with drop rod brackets

Protects floor from scratches and noise produced by chairs and tables

Outer Diameter: 153mm / 6

Spur Gear 8mm Inner Hole Pinion Gear 25T Mod 1 Plastic Motor Gear Pins Grommets Size (approx): 14mm inside1. The spur gear is made of plastic, lightweight, easy to change and durable to use. 2. Teeth: 25T, Gear Step Diameter: 20mm 0. 79inch, Gear Step Height: 10mm 0. 39inch, Outer Diameter: 27mm 1. 06inch, Inner Hole Diameter: 8mm 0. 31inch, Effective Tooth Length: 10mm 0. 39inch, Total Thickness: 20mm 0. 79inch, Teeth Pitch: 3. 1mm 0. 12inch, Teeth Depth: 2. 3mm 0. 09inch, Module: 1 Mod, Pressure Angle: 20 3. The spur pinion gears are widely applicated