Usage Tips: and , Made of materials, Soft start switch for electric tools, high-quality materials, industrial grade, precision machining, exquisite craftsmanship, accurate measurement, convenient and fast, professionally manufactured, not easy to break, and wear-resistant, high stability, high concentricity. 230V to 12A retrofit module power tool soft start current limiter Version with 2 connecting wires -Dust-proof package on the back Name:Soft-start current limiter Motor type:brushed motor Forward and reverse direction:no Power Type:AC Power Operation Manual: After installing the soft start module, the machine will no longer start so abruptly, but will reach in a short time (about 1-2 seconds) after turning on the machine. Please Note:The soft start module is only available for brushed motors Model:307#1[12A] Colour:As Shown Material:Metal Package Contents: 1 * Angle grinder soft start switch Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.