The product utilizes US standard thread. You will find adapters HERE.

Very strong and very smooth material that won't scratch the paint  for fine detailing finishes
Made of Very High-Grade Heat Treated Stainless Steel
Set of 5
All 1" (25.4 mm) long standard 5/16 Thread
S Sniper 1/8" ( 3 mm ) Diameter  very precise Knockdown Tip
R Regular  5/32" ( 4mm) Diameter Knockdown Tip
FL Flat 5/16" ( 8 mm ) Diameter Knockdown Tip
F Fat 1/4x1/2 ( 6.35 mmx12.7 mm ) Diameter Knockdown Tip - Precise for crown work or large high spots
The Dome 3/8 ( 10 mm ) Diameter Tip Excellent Knockdown and Blending Tip
Great for aluminum and steel panels