Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Material: aluminum alloy This 10 piece Aluminum Template Guide Kit significantly expand the use of your router. perfect for stair routing, pattern and hinge routing, dovetailing, craft/hobby work and other general template operations. Universal design fits any router having a base plate with a 1-3/16inch dia. center hole. Colour:Blue Package Contents: 10 x Aluminum Router Guide Bushing Only the above package content, other products are not included. Note: Light reflection 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.