7 Series Over The Top Single/ BB 706-40

7 Series Over The Top Single/ BB 706-407 Series Single Over the Top Block. Stainless Steel cage and base provide a solid platform for clean leads. Delrin(tm) ball bearing sheave ensure low friction and high safe working loads. Sheave Dia. 2 3 8" (60 mm), Max Line 1 2" (13 mm), L 2 7 8" (73 mm), W 2 1 4" (57 mm), H 3 7 16" (87 mm), Bearing Height 2 5 16" (58 mm), Fastners (6), #10 RH (5 mm), C C 2 13 16" (72 mm), SWL 1200 lbs. (545 kg), Weight 11. 6 oz. (329 g)

Anodized aluminum cheeks and Stainless steel base provide solid platform

Backing plate ordered separately # 97-48

Weight 1lb 5 oz

The rounded top surface to the tear drop allows the wool to stand 6mm off the sail so that the wool never gets stuck to sail when it is wet

66 kg) Consult Schaefer for proper foot block selection as loads may be extreme

They also come in a wide range of pin sizes from 6mm - 11mm

17mm Hole Centres across sheave

Breaking Load 600KG

All of our rudder fittings have 5mm fixing holes

Maximum line size 1/2"(12mm)

B dimension height from plate to top of U

28mm Treble Ball Race Block