No screw holes to fix, no screws included. Unlike human teeth, rabbit teeth continue to grow. If their teeth grow too long, it can cause problems with their mouth, teeth, and face. This feeder is very convenient because it can also be used as a chew toy. ❣️First come, first served for one item only ✨Instant purchase welcome, midnight silent purchase OK✨ ⚠️Photos cited from the site are for illustrative purposes! Please be sure to check the actual product photos. ⭐️Bulk purchases welcome, feel free to comment ✨Free shipping! ・May have some scratches, etc. due to home storage. ・Will be shipped in simple packaging. Please understand and purchase (⁎ᵕᴗᵕ⁎) #saku shop's product list is here ✨☜ 11-39 0051 057 Rabbit hay feeder food feeder wooden guinea pig feeding