Bessey 14pc Installation Kit for Decking Boards EZ-TD Whether you are a professional or a DIY enthusiast, this assembly kit from Bessey will make assembling decking much easier. It includes four protective covers and ten space holders and is for use with BESSEY EZ360 and EZL one-handed clamps (available separately). With these you can adjust decking boards up to 20cm in width quickly and precisely. There is no need for tools when setting up and they are for 6, 7, 8 and 10 mm (1/4", 9/32", 5/16" and 3/8") spacing between decking boards. Features and Benefits: Accessories for use with BESSEY EZ360 and EZL one-handed clamps (from 300 mm opening) For fast and precise adjustment of decking boards up to 20 cm width For 6, 7, 8 and 10 mm (1/4", 9/32", 5/16" and 3/8") spacing between decking.