This type of sash lock draws the meeting rail together as it is engaged. Helps to minimize air infiltration at the meeting rail. Requires a wide check rail, see measurements below. This lock has other uses also. Commonly used to hold table leaves together. Available in Solid Brass and Steel, in various finishes. Lock measurement: 2-3/8" wide x 1-3/8" deep. Strike measurement: 2-7/32" wide x 9/16" deep. Draw Tight Sash Lock Satin Nickel Plated Steel $4.79 Draw Tight Sash Lock Oil-Rubbed Bronze Finished Steel Regular price: $5.29 Sale price: $5.29, 10/$47.60, 100/$423.00 Draw Tight Sash Lock Brass Plated Steel $2.29