High Quality Components NEMA 17 42HS03 Stepper Motor High precisionSmooth movementLow motor heatingLow movement noise Top and Bottom Frame High quality metallic blue coatingMade of AluminumPrecisely machined as per specification Aluminum bed Matte surface finishingMade of AluminumDurable and Sturdy Leading screws and ball bearings Copper pulley and screw nutsStainless steel leading screwBall bearings Ideal for K40 or Small Size Laser Machines This is a power bed Z table designed for small desktop CO2 laser machines. The traveling distance is around 2.7". The power bed is great for your project when lifting feature is needed. Specification Table Size: 13 3/4" x 11 3/8" x 4 1/8" or 350mm x 285mm x 106mm (including motor)Workable area: 12 1/2" x 7 3/4" x 3 1/2 or 317mm x 197mm x 75mmLift speed: 10mm/s (or depends on stepper driving setting)Lift weight: 3.5kg (8.0lb) at 3200 (1/16)Motor: 42HS03 2A 2 phase 4 wiresFrame: aluminumBed: metal, plated in silver color. 3mm holes pattern This is a DIY kit. Wiring diagram and step by step instruction manual for assembling the power z table can be downloaded. Motor driver, a controller board and switches which are sold separately will be required to make it operates as intended. Note: If your laser machine is using Cohesion3d LaserBoard, you may check with their documents for wiring instruction. Those documents are easy to read and easy to follow. Lightobject Mini Z-table inside K40 Laser Machine