Lumber Lock, Square Plate Vise, Instantly Holds Lumber Materials Fast & Tight, Multiple Grip Ports Tightly Hold Different Shapes & Sizes: 1" x 4", 1" x 6", 2" x 2", 2" x 4", 2" x 6", 2" x 8", 2" x 10", 2" x 12", 4" x 4", 4" x 6" & 4" x 8", Elevates Materials Off The Ground To Safely Measure, Cut, Drill & Finish All Lumber Projects, Does Not Allow Materials To Move Or Spin.