KLEEcoils KLEEcoil Self-locking types KLEEcoil expansion bushes, self-locking. Made from brass. With or without flange. KLEEcoils type 812 to 815 KLEEcoil BancLok-MV self-locking bushes type 812- 815. KLEEcoils type 821 to 823 KLEEcoil BancLok-MV self-locking bushes type 821-823. KLEEcoils type 830 and 831 KLEEcoil BancLok-F/E self-locking expansion bushes type 830/831. KLEEcoils type 841 KLEEcoil BancLok-R self-locking expansion bushes type 841. Without flange. With flange: Please choose type 842 instead. KLEEcoils type 842 KLEEcoil BancLok-R self-locking expansion bushes type 842. With flange. Without flange: Please choose type 841 instead.