New Pony Board Boss Decking Tool For Deck Installation kit USA ,
3-plates 
1- pony pipe clamp-3/4"  

 The Pony Board Boss pulls boards into shape for professional results in deck installation Used with the Pony #50-3/4" Pipe Clamp Fixture the Board Boss pulls bowed and/or warped boards into position before fastening to deck joist

 Pony #50 pipe clamp fixture for ¾ pipe. Pipe clamp provides 2.5 screw length for infinite adjustment. Can be used anywhere along deck board