The SIP 'M' Magnetic Holder offers easy, secure and reliable positioning of materials prior to and during welding and metalwork. Available as M (50lb) or L (75lb) models, each is manufactured with an all-metal design for heavy-duty durability. � Heavy-duty holding up to 50lb (23kg) max. weight capacity � Easy and reliable securing or positioning of materials � Ideal for use before, during or after welding or metalwork � Manufactured with all-metal design for demanding applications � Larger 'L' model available supports up to 75lb weight