Shakespeare Nylon Ratchet Mnt for 1in-14 Thread New Condition. 3in x 1 1/2in on center bolt holes (NOT FOR USE W/ ANTENNAS LARGER THAN 8') includes unassembled mount only hardware sold seperately. Features of Shakespeare Nylon Ratchet Mnt for 1in-14 Thread: Nylon Ratchet Mount for 1in-14 Thread MFG# 4186 5/16in dia 3in x 1 1/2in on center bolt holes (NOT FOR USE W/ ANTENNAS LARGER THAN 8') includes unassembled mount only hardware sold seperately. Included Accessories: Nylon Ratchet Mnt for 1in-14 Thread Documentation Package Contents: Shakespeare Nylon Ratchet Mnt for 1in-14 Thread Shakespeare 4186-U: Nylon Ratchet Mnt for 1in-14 Thread New Condition