THM-Carbones Socket Wrench specific for THM bottom bracket threaded cups (BSA, BB30, ITA, Pressfit 30). Not compatible with other bottom bracket brands and with THM Shimano Pressfit and BBRight Direct Fit bottom brackets. 1/2" Ratchet wrench standard, suitable also with torque wrenches. Aluminum made, black anodized, 53 grams weight.