Duotone Double Pin.Lock (2pcs) (SS22) 2025CHECK THE RIGHT DOUBLE PIN LOCK SIZES ON BOOM VARIANTS HERE: Explanationhelper for Double. Pin. Lock variants on Boom Black5a) => DTW Double. Pin. Lock (2pcs.) S (28)5b) => DTW Double. Pin. Lock (2pcs.) L (30)Explanationhelper for Double. Pin. Lock variants on Boom Platinum SLS9a) => DTW Double. Pin. Lock (2pcs.) S (28)9c) => DTW Double. Pin. Lock (2pcs.) XXL (41)Explanationhelper for Double. Pin. Lock variant on Boom Platinum Aero7c) => DTW Double.