... 2. Use life: 100,000 times pull Secure retractor (pull box)Loss prevention device for retailOur pull boxes are mainly used ... types include JB-9515 (rectangular pull box), JB-9713 (square pull box), JB-9895 (drip shaped pull box), JB-9610 (half stop pull ... box), JB-9528 (big pull box), JB-9928 (miniature pull box), and many different ...