Blades deploy over the top and a retained by band

100% steel

Eight Compensation Spacers (mixed colours)

Blades internally locked

Max bond glue adheres quickly

Caldwell Ballistic Precision Chronograph gifts_4_mom Blades deploy over the topProvides accurate velocity measurements across a wide range of shooting conditions Accurate to within + 0. 25%, this is achieved by using a high speed 48 MHz processor and by designing a circuit with an advanced data interface that allows each unit to be computer calibrated at the factory after assembly Designed to be simple to operate, displaying velocity in feet per second (fps) or meters per second (mps) on a large built in LCD screen Can deliver