Made of high-quality aluminum alloy, it is also anodized for high strength, light weight and durability. The length can vary with the nut holes (1, 2, 3 holes), you can choose the right hole according to your needs. The roller design can drive the sheet forward when pushing the sheet for cutting. This tool can be used widely on your woodwork and can be used with your table saw, cutter and other suitable tools. A great tool for woodworking enthusiasts. Treatment: Anodized Fit for: #19mm Standard -Slot,3/4inchTrack Center Distance Between Two Holes: 10mm The Nut Can Adjusts The Hole Position 1/2/3 The Telescopic Range: 1: 75~112mm/2.95~4.4 inch 2: 65~102mm/2.56~4 inch 3: 55~72mm/2.17~2.8 inch Colour:red Material:Aluminum alloy Package Contents: 1 X Cutting Limit Fence 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.