The price is for one Piece
Material: Brass Rubber
Measurement
As the listing showed
About Screws:
1.0’’ (25 mm) as default.
Screws are available in 0.79’’(20 mm), 1’’( 25 mm), 1.18’’( 30 mm), 1.38’’( 35 mm), 1.57’’( 40 mm), 1.77’’( 45 mm), 1.97’’( 50 mm)