There are no best faceting lap in the world, but a great solution will resolve itself.

Size
Outer diameter 150/200 mm,
Center hole 12.7 mm,
Thickness 12 mm

Coating material
Sintering / MCD （Only #180）
Resin / MCD / Self-developed formula

Coating thickness:
2.5 mm

Weight
#180（Sintering）
6 inch　1.7 kg with box
8 inch　2.7 kg with box

#240／#800／#3000（Resin）
6 inch　0.7 kg with box
8 inch　1.3 kg with box

Regular lap grit number
#180 / #240 / #800 / #3000

Price 
#180（Sintering）
6 inch　$500 per lap
8 inch　$600 per lap

#240／#800／#3000（Resin）
6 inch　$450 per lap
8 inch　$550 per lap

※The price without shipping and PayPal fee.

Pay with PayPal or Zelle （in USA）

You can choose EMS / Fedex / DHL ／UPS  for delivery.