Store › Kaha Piston Service Tool Image 1 of 1 Kaha Piston Service Tool NZ$14.00 A specialised tool to allow easy extraction of brake caliper pistons.CNC machined from SS 316. Quantity: Add To Cart Added! A specialised tool to allow easy extraction of brake caliper pistons.CNC machined from SS 316. Reviews Reviewer Name Review Date Star Rating Description Posted on Etsy Product Show More