The fine bottle opener is terribly durable and super clean to put in Easy-to-install threaded ends are ultimate for DIY and craft initiatives Hole recommendations: mushy materials 2 cm -1 cm and difficult materials 4 cm drill bits colour:Silver Material:Metal size:8 x four Package Contents: eight x Bottle Opener Only the above kit content, different merchandise should not included. Note: Light reflection and various exhibits could cause the color of the item in the photo a bit different from the genuine thing. The size allowed error is +/- 1-3cm.