Please use a digital caliper to measure your size
Please note that the middle height varies for each lot of production, if you have very strict request on the middle height( center height) or size tolerance, please be cautious to buy or contact us to ask.
Edge Thickness: 1.0mm-1.2mm ( there might be ±0.1mm difference)
Size 17mm, 17.5mm, 18mm, 18.5mm, 19mm, 19.5mm, 20mm, 20.5mm, 21mm, 21.5mm, 22mm, 22.5mm, 23mm, 23.5mm, 24mm, 24.5mm, 25mm, 25.5mm, 26mm, 26.5mm, 27mm, 27.5mm, 28mm, 28.5mm, 29.5mm, 29mm, 30mm, 30.5mm, 31mm, 31.5mm, 32mm, 32.5mm,, 33mm, 33.5mm, 34mm, 34.5mm, 35mm, 35.5mm, 36mm, 36.5mm, 37mm, 37.5mm, 38mm, 38.5mm, 39mm, 39.5mm, 40mm(there might be ±0.05mm difference for diameter)
1 piece per order
Package included: 1 piece