26 in board bender deck tool. Ideal for straightening decking and joists. Cushioned handle designed for. Verkkopush, pull and clamp boards, even perpendicular boards using the deck devil board straightener. Attaches to any handheld cordless drill (3/8. 4. 5 394 ratings. St pryb brd bndr. Verkko4. 5 393 ratings. Board bender ideal for straightening deck and joist boards quickly and easily. Designed for strength and durability. Verkkowith a pushing force of around 1100 lbs. , the hardwood wrench™ gives you up to 8x more bending power than other deck board straightening tools. Verkkothis tool is ideal for straightening decking and joists. The bar is made from 5/8 in. The handle is cushioned for kneeling to maintain.