LED space supports are widely used on PC board for the purpose of keeping the same LED height level ,and avoid bending ,breaking ,and short circuit.Different dimensions are available ,such as Φ 4mm 、Φ 4.5mm 、Φ 5mm、Φ 7mm  ，and Φ 3mm 、Φ 5mm for two pits LED space support ，3Pdouble color LED space support

Notes﹕height range is from 2mm to 24MM.the difference for two unit heights is 0.5mm ,such as 2mm,2.5mm,3mm,3.5mm..........