Cinch Traps-Medium Gopher Trap Kit: 3 Gopher Traps with Tunnel Marking Flags and Instructions- Made in America Description: This three (3) trap set is ideal for trapping gophers. Very durable, simple to set and highly effective gopher control. Detailed instructions included. When purchasing the right sized CINCH Traps. Easily measure the diameter of the gopher tunnel system and match this to the correct size of trap needed. The CINCH end of the trap opens to approx. 3 in diameter. This kit comes only with the traps, flags and instructions.