Sealey clamps sealey lc300 a quick lever clamp from sealey with a die cast aluminium and forged steel construction featuring a unique clamping design fitted with an adjustable clamping strength control ideal for clamping softer materials such as pine features a strengthened carbon steel bar minimizing bending maximum clamping force of up to 300kg fitted with full face pads for even pressure distribution sealey lc300 quick lever clamp 300mm