OUR BEST CRIMPER SERIES MK1 S . ALL STEEL MADE AND SPECIALLY DESIGNED FOR 28-32 GR (1  AND 1 1/8 OZ) BIRDSHOTS. WITH THIN CRIMPING ANGLE AND CLOSURE. ALSO YOU CAN USE THIS TO YOUR BUCKSHOT AND SLUGS. USE WITH ROTARY DEVICES LIKE DRILL OR HAND TURNING TOOL. THIS CRIMPER COMES WITH DRILL ADAPTER