Product Name: Snap-on Hole Plug
Material: Silicone Rubber
Color:Black
Size Description:2.5mm 3mm 3.5mm 4mm 4.5mm 5mm 5.5mm 6mm 6.5mm 7mm 7.5mm 8mm 8.5mm 9mm 9.5mm 10mm 10.5mm 11mm 11.5mm 12mm 12.5mm 13mm 13.5mm 14mm 15mm 16mm 17mm 18mm 19mm 20mm 21mm 22mm 23mm 24mm 25mm 26mm 27mm 28mm 29mm 30mm 32.6mm 34.6mm 36.6 mm 38.6mm 40.6mm 42.6mm 44.6mm 46.6mm 48.6mm 50.6mm

( the size is the size of A in the figure, where 2.5mm 3mm 3.5mm 4mm is solid without inner hole)!!
Temperature resistance: -40 to 250

Features: Silicone rubber is a soft and elastic material with good sealing type, anti-high and low temperature resistance, anti-aging.
The data is for reference only, please refer to the actual product