Powder adjustment knob for Dillon Precision measures.    

• Fits XL650, XL750, Super 1050, RL550 and Square Deal presses
• Large profile for ease of use without interfering with other press functions.
• "Arrow" displays directional arrows to remind user of which direction to go for desired adjustment.
• These plug n play knobs fit over the existing adjustment bolt nice n tight works like a charm!