Overview Reviews Product Description 634101150- Film Tension Knob • Film Tension Knob for SircleLam SircleLam SRL-2700-HR & SRL-2700-Plus • (1) Knob Product Videos Custom Field Product Reviews Write a Review Write a Review × 634101150- Film Tension Knob Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *