Overview Reviews Product Description A.r.m.s., Inc. Ring Inserts, Fits 30mm Ring, Black 37Product Type: RingFinish/Color: BlackDescription: ARMS #37 Product Videos Custom Field Product Reviews Write a Review Write a Review × A.R.M.S., Inc. Arms Ring Inserts 30mm - 1 Inch Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *