White mouse foot diameter measuring device

The utility model discloses a white mouse foot diameter measuring device which comprises a strip-shaped plate, the upper end of the strip-shaped plate is provided with a limiting piece, the strip-shaped plate is provided with a strip-shaped through groove which is communicated front and back, a traction mechanism is connected in the strip-shaped through groove in a sliding mode, and the traction mechanism penetrates through the limiting piece. The white mouse leg limb is inserted between the traction rope and the L-shaped limiting block, so that the circular balancing weight drives the traction block and the sliding block to move on the limiting rod in the sliding groove along the strip-shaped through groove until the traction rope is matched with the L-shaped limiting block to limit and fix the white mouse leg limb, manual handheld measurement of the white mouse is replaced, time and labor are saved, and the measurement efficiency is improved. The leg limb of the white mouse is fixed between the traction rop