Harken 16mm Double Block is ideal for small synthetic control lines on high-tech dinghies.

16mm Blocks have a lightweight design and a unique patented bearing system which uses stainless steel balls in a captive, grooved race. Very high working loads in an extremely lightweight block, with the best strength-to-weight ratios around. 

• Very high working loads in an extremely lightweight block
• Lightweight design and a unique patented bearing system
• Stainless steel ball bearings
• Polished 316 stainless steel top strap
• Sheave Diameter: 5/8" (16 mm)
• Max. Line Diameter: 7/32" (5 mm)
• Max. Working Load (MWL): 450 lb. (204 kg)
• Breaking Load: 1200 lb. (544 kg)
• Weight: .94 oz. (27 g)
• Length: 1 11/16" (43 mm)