One replacement Screwdrivers for roulette tools (you get one when you buy a handle)
Diamond coated dot tip, sphere shape, 3mm diameter, available in 5 grits sizes
Diamond coated dot tips, sphere shape, 2mm diameter, available in 5 grits sizes
Tungsten carbide line tips, egg shape, 2.5mm diameter, available in 4 lines gauges
Tungsten carbide line roulette, sphere shape, available in 6 types
Diamond coated dot roulette, knife edge shape, 2.5mm diameter, medium grit