TrimLine Cam Handle With Concealed Pawl

27 Series locks feature a concealed pawl design that locks in-swinging windows from the inside. A wide range of concealed pawl and keeper designs accommodate most window styles. Rotating the handle 90 degrees locks or unlocks the sash. Concealed Pawl locks are designed to increase both security and weather seal tightness. 27 Series locks withstand up to 150 lb. of forced entry resistance per locking point.