MIP 9606 Hex Driver Ball Wrench Set Gen 2 Metric 3 2.0mm 2.5mm & 3.0mm Senton Parts and its internal bore finish

and its internal bore finish is what the piston and seals work against

Black - ARA8606V5

For Traxxas X-Maxx

Woodland Scenics BR5854 O Scale Theater

MIP 9606 Hex Driver Ball Wrench Set Gen 2 Metric 3 2.0mm 2.5mm & 3.0mm Senton Parts and its internal bore finishMIP 9606 Hex Driver Ball Wrench Set Gen 2 Metric 3 2. 0mm 2. 5mm & 3. 0mm. Features: Precision Ground with Diamond wheels to remove internal stress and part fatigue. Made from US Grade tool steel drill blanks. Tight tolerances held within 20 Microns which is . 02 mm and moreover . 0008 in.! To put that into perspective that's like taking a human hair and dividing it by 4! Super Comfy to the hand, Acetate Handles that are resilient to hot and cold