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 Solid Polished Brass $8.49, 10/$80.00 Draw Tight Sash Lock Venetian Bronze Finished Solid Brass $8.99 Draw Tight Sash Lock Satin Nickel Plated Steel $4.79 Draw Tight Sash Lock Oil-Rubbed Bronze Finished Steel $4.29 Draw Tight Sash Lock White Painted Steel $4.99