90 Degree Positioning Right Angle Clamps for Picture Frame Box Drawer

TRUE 90 DEGREE CLAMPS - As woodworking corner clamps, holding pieces squared at a perfect 90-degree angle when building cabinets, drawers, boxes, frames, shelves, or other woodworking projectsALUMINUM POSITIONING SQUARE - Made of premium aluminum alloy, prevent corrosion and rust. Engraved with metric & imperial, up to 5.5inch/140mm scale, which could use as a rulerSTRONG FORCE & EASY TO USE - Simply clamping Ours 90 degree clamp set at either outside or inside of pieces to joint, strong enough force to make assembling projects easier, helpful for no matter for DIY or Carpenter. Like an extra set of handsColour: blackMaterial: aluminum alloyPackage Contents:4 x Right angle ruler8 x fixtureOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.