... Pattern Bender, and our engineer redesign the block-part and Roulette ,improving the working range.It is more convenient to operate ... 16mmMotor PerformancePower:2.2KWVoltage:380VMain Features1.Adopting the big diameter roulette design and equipped with bigger working range.2.With brand ... on the block-part , adjusted easily.4.The improving of roulette with swing device can guarantee never to run in crash ...