The new pet supplies cat door cat hole dog door rotary switch to control the entry and exit of the pet door hole cat house Product name: cat supplies pet supplies (rotary switch) Product material: ABS door material, outer frame Material: acrylic (smooth surface, very solid) < p>Product color: M code black Use weight range: 16kg or less ( conventional recommendation > waist circumference less than 60cm Tools needed: drill, hacksaw or electric saw, measuring ruler; 1: First use a On a piece of paper, draw the size of the door cover (there may be a few millimeters error); 2: Make a drawing on the door and draw a good impression with a pencil; 3: Drill a hole Use a drill to drill the four corners of the painted door and then start digging the hole directly, you will find a chainsaw there 4: the hole is cleaned, and now a layer of wood leather is used to wrap the hole. For beauty; 5: Fix the dog hatch, there are accessory screws, and screw it with a screwr; 6: The screw connector is also