Shop Grainger for the right bar, pipe and L clamps to help you hold items of all sizes in place while you work. Login or register to view your pricing. Woodcraft offers a complete line of bar clamps for every need. From strong aluminum bar clamps balancing weight with strength to T-Clamps offering strong. Wilton makes clamping applications easy with this I Bar Clamps (I-BAR). Rapid acting and powerful, they are designed and constructed for hard, everyday.