Replaces MM21130 Jack Knife & Seam Tester: This Everhard utility knife is a versatile replacement for the MM21130 Jack Knife & Seam Tester

Changes in the sound of the sprocket teeth tapping the surface reveal the hidden defects

4-1/2-Inch Diamond masonry blade - high performance diamond matrix provides 200x's the life of conventional abrasives and enhanced material removal

High-output LED lighting – Delivers around 160 lumens for clear visibility in tight or dim spaces

1/2" chuck accepts standard and spade bits for framing work

Streamline Caulk Spatula 1-1/2" Wide Blade x 10" Long CORDED Replaces MM21130 Jack Knife &10" long straight stainless steel blade. 1 1 2" wide at tip. Comfortable curved handle Ensures good adhesion to substrates Precision ground for optimum flexibility for perfectly finished joints No plastic components for easy solvent clean up Premium grade stainless steel Rounded tips for standard applications, yet easy to modify for unique applications For a complete set consider the 7 Piece kit 958 G01