Specifications Item Model Number: 4-434 Sewing Speed: 1200±50 SPM Rated Power: 112W Stitch Options: 3/4 threads Max Stitch Width: 0.26 in / 6.5 mm Needle Type: 90(14)# Stitch Length: 0.040.16 in / 14 mm Max Sewing Thickness: 0.14 in / 3.5mm LED Light Power: 2W Color: White Product Size: 10.24 x 10.63 x 10.63 in / 260 x 270 x 270 mm Net Weight: 17.75 lbs / 8.05 kg Package Content 1 x Serger Sewing Machine 4 x Spool Holder 1 x Brush 3 x Needles (90/14) 1 x Upper Knife 1 x Lower Knife 1 x Tweezers 1 x Spanner 1 x Multifunctional Hexagon Wrench 5 x Small Hexagon Wrenches 1 x Small Flathead Screwdriver 1 x Needle Plate for Four-Thread Rooled Hem 1 x Spring 1 x Foot Pedal & Power Cord Combo 1 x User Manual 1 x Test Fabric