Sleeve screw depot for rod lock, has lock internal part which is made of metal or solid material, and has screw which is adjusted in head diameter and length

摘要

The sleeve screw depot has a lock internal part (1) which is made of metal or solid material, and has a screw (2) which is adjusted in head diameter and length. The lock internal part is formed in square form, and has a persistent bore-hole which is perpendicular for vertical arm and parallel for horizontal arm.