SIDERAL HT are extremely bright and shiny. Thanks to these features they increase the safety of deep sea freedivers and they can also create a “flasher” effect very useful for blue water hunting. SIDERAL HT are very light, only 600gr (21oz), and they feature 300 2.0 Easy Fit foot pockets in black color and blades made in HT ALU 15T carbon fiber. The blades can also be mounted on the 300 2.0 Easy Fit footpocket in silver color. TECHNICAL FEATURES MATERIAL: HT ALU 15T BLADE DIMENSION: 1000x197 mm BLADE HARDNESS: 25 soft – 30 medium WATER RAILS: Elastic-K10 black FINS WEIGHT: 600 gr (21oz) FOOT POCKET: Mod. 300 2.0 Easy Fit - Color: silver