Product

HARKEN 57MM HI LOAD LOCKOFF FOOT BLOCK

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Use Black Magic footblocks to redirect lines on the deck. Footblocks with lockoffs temporarily secure sheets.

Either metric or imperial flathead fasteners may be used for mounting and are not exposed.

Sideplates and sheaves Hard Lube-anodized for maximum UV protection and a smooth surface. Center cage keeps Torlon® roller bearings separated and parallel to reduce friction.

Sheave Ø (mm)
57 mm

Sheave Ø (in)
2 1/4 in

Length (mm)
84 mm

Length (in)
3 5/16 in

Height (mm)
25 mm

Height (in)
1 in

Weight (g)
154 g

Weight (oz)
5.44 oz

Maximum line Ø (mm)
12 mm

Maximum line Ø (in)
7/16 in

Maximum working load (kg)
1134 kg

Maximum working load (lb)
2500 lb

Breaking load (kg)
2268 kg

Breaking load (lb)
5000 lb

Number of fasteners
4

Fasteners (mm)
6 FH mm

Fasteners (in)
1/4 FH in

A (mm)
9.5 mm

A (in)
3/8 in

B (mm)
22.5 mm

B (in)
29/32 in

C (mm)
51.5 mm

C (in)
2 1/32 in

D (mm)
16 mm

D (in)
5/8 in

E (mm)
59 mm

E (in)
2 5/16 in

F (mm)
84 mm

F (in)
3 5/16 in

G (mm)
13 mm

G (in)
1/2 in