1002 1800KV is a great choice for an open prop micro on 2S. use 1.77 Inch (45mm) 3 blade props.
This particular motor is used on the GEPRC T-Cube18 which has the highest KV motor of any 2S open prop micro. Above 18000KV you would need to look at running 1S instead of 2S (more info)

SPEEDX2 1002 18000KV Motor

• Model: SPEEDX2 1002-18000KV
• Configuration：9N12P
• Bearing: 415zz
• Stator Diameter: 10mm
• Stator Height: 2mm
• Shaft Diameter: Φ1.5mm
• Dimension: Φ13.69mm*7.75mm
• Lead Wires: 28#AWG 36mm
• Rated Voltage (LiPo):1-2S
• Maximum Power: 41.1W
• Maximum Current:11.1A
• Recommended ESC: 12A
• Mounting Patterns: 6.6mmx6.6mm(M1.4)
• Color: Titanium Blue
• Weight: 2.5g (50MM wire length)
• Compatible Models: 1.6-2 inch drones

Inlcudes

1 x SPEEDX2 1002 motor
6 x M1.4*3mm screws

FPV Motor Sizes Guide	FPV Motor Volume Guide
See this Motor Size Guide for information on what sizes of motors are used in popular BNF and PNP FPV drones.	See this Motor Volume Guide for information about what other motor size is similar to the one you are looking for.