OH Marine Equipment

Find the right block for the job
		Details from our range of Big Boat Travellers - click to see more data.

Classic Series 100:	For small sailing yachts, dinghies etc. or small jobs in larger boats - working load max 300 kg - breaking load 600 kg - max rope 8 mm
Classic Series 200:	For sailing yachts up to 25 feet or small jobs in larger boats - working load max 500 kg - breaking load 1,000 kg - max rope 10 mm
Classic Series 300:	For sailing yachts up to 30 feet or small jobs in larger boats - working load max 625 kg - breaking load 1,250 kg - max rope 14 mm
Classic Series 300-2:	For sailing yachts up to 35 feet or small jobs in larger boats - working load max 775 kg - breaking load 1,550 kg - max rope 14 mm
Classic Series 400:	For sailing yachts up to 38 feet or small jobs in larger boats - working load max 950 kg - breaking load 1,900 kg - max rope 14 mm
Classic Series 500:	For sailing yachts up to 42 feet or small jobs in larger boats - working load max 1,350 kg - breaking load 2,700 kg - max rope 16 mm
Classic Series 600:	For sailing yachts up to 45 feet or small jobs in larger boats - working load max 1,800 kg - breaking load 3,600 kg - max rope 16 mm
Classic Series 700:	For sailing yachts up to 45 feet or small jobs in larger boats - working load max 1,800 kg - breaking load 3,600 kg - max rope 14 mm
Classic Series 800:	For sailing yachts up to 45 feet or small jobs in larger boats - working load max 1,800 kg - breaking load 3,600 kg - max rope 18 mm (for blocks in aluminium) For sailing yachts up to 50 feet or small jobs in larger boats - working load max 2,400 kg - breaking load 4,800 kg - max rope 18 mm (for blocks in stainless steel)
Classic Series 900:	For sailing yachts up to 60 feet or small jobs in larger boats - working load max 2,800 kg - breaking load 5,600 kg - max rope 22 mm
High Performance Size 45:	For sailing yachts up to 25 feet or small jobs in larger boats - working load max 500 kg - breaking load 1,000 kg - max rope 10 mm
High Performance Size 57:	For sailing yachts up to 35 feet or small jobs in larger boats - working load max 1,300 kg - breaking load 2,600 kg - max rope 14 mm
High Performance Size 75:	For sailing yachts up to 45 feet or small jobs in larger boats - working load max 1,800 kg - breaking load 3,600 kg - max rope 16 mm
High Performance Size 100:	For sailing yachts up to 60 feet or small jobs in larger boats - working load max 3,000 kg - breaking load 6,000 kg - max rope 22 mm
High Performance Size 125:	For sailing yachts up to 80 feet or small jobs in larger boats - working load max 4,000 kg - breaking load 8,000 kg - max rope 22 mm
High Performance Size 150:	For sailing yachts up to 100 feet or small jobs in larger boats - working load max 7,000 kg - breaking load 14,000 kg - max rope 25 mm
High Performance Size 175:	For sailing yachts up to 120 feet or small jobs in larger boats - working load max 9,000 kg - breaking load 18,000 kg - max rope 30 mm
The working loads listed above and in our catalogues are intended as a guide line only and are not guaranteed. Working loads are approximately 50 % of breaking loads.