[High Quality Material]The main body is high strength high quality aluminum alloy bearing.The is anodized and processed by CNC.It is durable,rustproof and wear resistant,and the outside is bright! [Strong Expandability]There are two types of press on the left and right.Each type is equipped with two sliders and two large sliders,which can be used in the 30/45 standard slot,or replaced with small sliders and fixed in the T slot or on the back of mountain.It can be used for more consoles such as drama,band saw,and inverted carving machine! [Easy to Operate] The roller height can be flexibly adjusted according to the thickness of the wood! [Safety,No ]Bearing wheel,shockproof double roller,fixed double slider,sufficient force,stable without shock,smooth and unhindered wood propulsion! [Compared with Traditional Board]] With inclined angle pulley,it has the function of material guide,safer operate,no of wood,high precision and better stability!, Weight: 1.0141264052 Pounds, Manufacturer: ALCXAZS