RCBS - Trimmer Carbide Cutter Head Rimfire Velcro on the front allows

Velcro on the front allows patches to be attached

Quick change plates have a tongue shaped part to slip into the Base Plates and then 2 thumb screws at the front secure its position and lock it all together

Parallax Adjustment: 25 yards to infinity

while the Christmas tree pattern

RCBS - Trimmer Carbide Cutter Head Rimfire Velcro on the front allowsA reloader never knows when a part might break. Be prepared for anything with high quality factory replacement parts that will have your RCBS Trim Pro Case Trimmer cutting like new. Technical Information Fits: RCBS Trim Pro and Rotary Case Trimmers Material: Steel with carbide cutter Notes: Sharp cutters ensure easier and faster trimming