:Tiling Use:Glass Cutting Application:There're two screw holes,it matches all types velocity T-cutter, Suitable for glass with a thickness of 3-12mm colour:Silver Material:Metal alloy Size:2*1*1 Package Contents: 2* replacement cutter head 4* screw Only the above package content, different products should not included. Note: Light and different exhibits can cause the colour of the item in the photo somewhat diverse from the genuine thing. The measurement allowed error is +/- 1-3cm.