... Paper With Velcro or PSAP24∼P400Fixed onto pneumatic or ectrical tools to grid, polishing for ship, automobile, furniture, aviation, machinery, building ... ∼P220Semiflexible Vulcanized Fiber DiscP16∼P120Flap wheelFlap DiscP36∼P400Fixed onto hand tools to grid. Ideal for ship, automobile, machinery, light industry, furniture ...