When you need to clamp over small obstructions, BESSEY "J" clamps can eliminate the need for blocking. It is available in three sizes. The smallest of the three has a standard pad, while the 2400 and 4800 series versions are equipped with a heavy duty MorPad. Designed & manufactured for years of dependable service, these clamps are made in BESSEYs own German production facilities and, from steel that comes from BESSEYs own European steel mills. BESSEY created the first sliding arm clamp and to this day remains the category leader in both quality and design. BESSEY. Simply better.