UT-658 (Patented SMART-SWITCH design)
Multi-Functional Staple Gun Tacker 
5 in 1 (drive both 140/53, T50/JT21 staples)
1.  Hi-Impact molded plastic housing
2. Comfortable metal handle 
3. Low staple refill window
4. Adjustable impact power setting
5. Safety Handle Lock system
6. Bottom loading for easy loading & anti-jamming
7. 500pcs assorted staples included

1. Rapid #53 & Arrow JT-21 (6-14mm)
2. Rapid #140/Arrow T-50 (6-14mm)
3. 18Gauge brad nail  15mm 
4 . Headless Pin 15mm