Harken 57mm SS ESP Footblock w/Lockoff
Harken 57mm SS ESP Footblock w/Lockoff
Cruising ESP blocks complement our existing blocks in looks and function, but are simpler in design and construction. Sheaves feature sleeve bearings to handle high static loads and are ideal for halyards or limited purchase systems on cruising boats.
Technical Description
| Sheave Ø (mm) | 57 mm |
| Sheave Ø (in) | 2 1/4 in |
| Length (mm) | 132 mm |
| Length (in) | 3 3/4 in |
| Weight (g) | 255 g |
| Weight (oz) | 9 oz |
| Maximum line Ø (mm) | 16 mm |
| Maximum line Ø (in) | 5/8 in |
| Fasteners (mm) | 10 FH mm |
| Fasteners (in) | 3/8 FH in |
| Maximum working load (kg) | 1000 kg |
| Maximum working load (lb) | 2205 lb |
| Breaking load (kg) | 2000 kg |
| Breaking load (lb) | 4409 lb |
| A (mm) | 50 mm |
| A (in) | 1 31/32 in |
| B (mm) | 55 mm |
| B (in) | 2 5/32 in |
| C (mm) | 57 mm |
| C (in) | 2 1/4 in |
| Maximum lockoff load (kg) | 295 kg |
| Maximum lockoff load (lb) | 650 lb |
Harken 57mm SS ESP Footblock w/Lockoff
Cruising ESP blocks complement our existing blocks in looks and function, but are simpler in design and construction. Sheaves feature sleeve bearings to handle high static loads and are ideal for halyards or limited purchase systems on cruising boats.
Technical Description
| Sheave Ø (mm) | 57 mm |
| Sheave Ø (in) | 2 1/4 in |
| Length (mm) | 132 mm |
| Length (in) | 3 3/4 in |
| Weight (g) | 255 g |
| Weight (oz) | 9 oz |
| Maximum line Ø (mm) | 16 mm |
| Maximum line Ø (in) | 5/8 in |
| Fasteners (mm) | 10 FH mm |
| Fasteners (in) | 3/8 FH in |
| Maximum working load (kg) | 1000 kg |
| Maximum working load (lb) | 2205 lb |
| Breaking load (kg) | 2000 kg |
| Breaking load (lb) | 4409 lb |
| A (mm) | 50 mm |
| A (in) | 1 31/32 in |
| B (mm) | 55 mm |
| B (in) | 2 5/32 in |
| C (mm) | 57 mm |
| C (in) | 2 1/4 in |
| Maximum lockoff load (kg) | 295 kg |
| Maximum lockoff load (lb) | 650 lb |
Original: $296.95
-70%$296.95
$89.08Description
Harken 57mm SS ESP Footblock w/Lockoff
Cruising ESP blocks complement our existing blocks in looks and function, but are simpler in design and construction. Sheaves feature sleeve bearings to handle high static loads and are ideal for halyards or limited purchase systems on cruising boats.
Technical Description
| Sheave Ø (mm) | 57 mm |
| Sheave Ø (in) | 2 1/4 in |
| Length (mm) | 132 mm |
| Length (in) | 3 3/4 in |
| Weight (g) | 255 g |
| Weight (oz) | 9 oz |
| Maximum line Ø (mm) | 16 mm |
| Maximum line Ø (in) | 5/8 in |
| Fasteners (mm) | 10 FH mm |
| Fasteners (in) | 3/8 FH in |
| Maximum working load (kg) | 1000 kg |
| Maximum working load (lb) | 2205 lb |
| Breaking load (kg) | 2000 kg |
| Breaking load (lb) | 4409 lb |
| A (mm) | 50 mm |
| A (in) | 1 31/32 in |
| B (mm) | 55 mm |
| B (in) | 2 5/32 in |
| C (mm) | 57 mm |
| C (in) | 2 1/4 in |
| Maximum lockoff load (kg) | 295 kg |
| Maximum lockoff load (lb) | 650 lb |
