CNC 3018 PRO Extension Kit for 3018 Router Machine / Laser-Machine This 3018 extension kit can provide your existing 3018 Pro engraving machine with a larger engraving area, easily transforming from 3018 to 3040. This product is easy to install, just install part of the expansion kit. Note: THIS VERSION IS E480, 300*360 ACTUAL STROKE. THIS KIT ONLY FIT FOR EXTENSION YOUR CNC'S Y-. Type:B color:Black + Silver Material:Aluminum alloy Package Contents: 1 x Expansion Board 2 x Countertop Connection Plate A 1 x Countertop Connection Plate B 2 x Countertop Connection Plate C 1 x 8 mm T8 screw (L:500mm) 2 x 10 mm linear guides (L:480mm) 2 x 2040 aluminum profiles (L:480mm) 1 x Knob 2 x oblong nuts 24 x Slider Nuts 2 x M5X14 screw 8 x M5X16 screw 8 x M5X20 screw 8 x M5X24 screw Only the above package content, other products are not included. Note: Light 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.