tolesa heavy duty spring clamps 4 inch 4 pcs large wood clamps with 30lbs powerful clamping force deep throat nylon clamps for woodworking photography backdrop household use cover holding wood gluing is up for auction in Tools & Home Improvement. The current bid is $1.50, 93% below the $21.99 MSRP, in Good Condition. This auction has ended — similar items appear in live auctions regularly.