Three Way Cube ConnectorThese Three Way Cube Corner Connectors are milled with precision from stable Aluminum."Mount this nook to V-Slot Linear Rail using M5x8mm Low Profile Screws and M5 Tee Nuts."Features:Three Way Cube nook Connector bracket for 20mm extrusion.High strength and hardness.Durable in use.Rigid connection, used to connect items of 20mm aluminum extrusion at a 90 degree angle.Suitable for most of metric 20 collection Aluminum extrusion.Used for building 3-D printers, 3-d carvers, CNC routers, CNC cutters, CNC plasma cutters, robotics projects, machine guards, workstations etc.Specifications:Quantity: 4 pieces/lot (sold in lot)100% High quality & Brand newSize: 20*20*20 mmColor: Black, BlueMaterial: Anodized AluminumApplication: Compatible with 20 collection V-slot or T-slot aluminum extrusionUse as a three-way corner connector or adjustable wheel blockNOTE:Please enable 1-2mm errors due to guide measurement.Picture just as a reference.the Actual delivered goods shall be successful !Application: