6-Pack Amazon Basics Clamp Set (2x 4" + 4x 6") $15.75

Amazon.com has Amazon Basics 6-Piece Easy-to-Use One-Handed Trigger Clamp Set, 2 Pack of 4-inch, 4 Pack of 6-inch, Black/Grey on sale for $15.73. Shipping is free w/ Prime or $35+ orders.