Overview Reviews Product Description Details: Smart Parts on/off ASA in black with on/off knob Can Be Mounted To Any Standard frame/dovetail rail Jewel intact Includes macro fitting Shows some marks and scuffs Good condition Product Videos Custom Field Product Reviews (No reviews yet) Write a Review Write a Review × Smart Parts - On/Off ASA - Black Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name *Email *Review Subject *Comments