Single block HTX
cheekflatbase plate

single block
single block
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Number of sheaves
cheek, flat
base plate
Bearing type
plain bearing
Maximum line diameter
max. rope ø 12 mm, max. rope ø 10 mm, max. rope ø 14 mm, max. rope ø 16 mm
Application domain
for sailboats
Working load

800 kg, 1,100 kg, 2,000 kg, 3,500 kg
(1,763.7 lb, 2,425.1 lb, 4,409.2 lb, 7,716.2 lb)

Breaking load

1,600 kg, 2,200 kg, 4,000 kg, 7,000 kg
(3,527.4 lb, 4,850.2 lb, 8,818.5 lb, 15,432.4 lb)


Years of design and manufacturing experience coupled with collaboration with boat builders, designers and sailors have resulted in the Lewmar HTX Hardware Range. Drawing upon the design of the Racing Range, the HTX blocks are constructed simply from high quality materials, providing enhanced reliability. HTX blocks are ideal for frequently adjusted, highly loaded systems using modern line technology and reduced line diameters. Features Strong aluminium side cheeks Central plain bearing for efficiency at high loads Side thrust delrin ball bearings 60/72mm sheave sizes use M8 (5/16") fixings - Not included. 90mm sheave sizes use M10 (3/8") fixings - Not included.

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.