Low height design of these hold down toggle clamps requires less overhead clearance as the handle remains in horizontal position while clamping.Standard Accessories provided with Clamp: Standard Hex, Head Clamping Spindle assembly is provided as standard accessory with all above clamps. U-Arm models are provided with 2 nos. U-Flanged Washers also along with clamping spindle assembly and BR-arm models are provided with bolt retainers along with clamping spindle assembly..