Schaefer Single, Universal Head SCH704-05

Manufacturer part #: 704-05.

Schaefer's 8 Series Stainless Blocks add strength and brilliance to your deck. Featuring Delrinâ„¢ sheaves, forged stainless steel D shackles, bolted construction for strength and Stainless Steel cheeks polished to a high luster add beauty and confidence to your boat.

Features	American	Metric
Description	Single Universal Head Aluminum Block
Lenght	5 1/32 in	128 mm
Width	2 1/2 in	64 mm
Overall Thickness	1 3/32 in	28 mm
Sheave Ø	2 3/8 in	60 mm
Sheave Width	3/4 in	19 mm
Maximum Line Ø	1/2 in	13 mm
Pin Ø	1/4 in	6 mm
Safe Working Load Aluminum	2250 lb	1020 kg
Safe Working Load Ball Bearing	1700 lb	771 kg
Weight	7.4 oz	210 g

Manufacturer part #: 704-05

7 Series Blocks offer medium sized cruising and racing yachts Delrinâ„¢ and Delrinâ„¢ Ball Bearing sheave Blocks with a stunning combination of strength and performance. Available with highly polished Stainless Steel or Black Hardcoat Anodized Aluminum cheeks that are reinforced with large Stainless Steel V-Straps and head posts This robust yet lightweight construction produces an exceptionally strong block built to perform well past other plastic designs. Use only the toughest, high-impact material available so you'll be sailing while others are fixing failed gear.

7 Series Blocks work with convenient Universal Adapters and contain our three-way head that allows for free swiveling or front/side set positions. of boats.

Cheeks are constructed of tumbled and polished Stainless Steel or Hardcoat Anodized Aluminum for maximum corrosion resistance and strength. Sheaves are made of high-impact Delrinâ„¢ or Delrinâ„¢ with Delrinâ„¢ Ball Bearings.

Use for:
Mainsheet Systems boats to 34' (10.3m)
Halyard Leads boats to 34' (10.3m)
Genoa Leads boats to 34' (10.3m)
Control Lines boats to 45' (13.7m)