15 or 20A 125V Straight Blade
The Mac Plus provides constant power to the service battery
or manual) with the Rule "fail-safe" spring return to "off" from the "manual" position
Works with 303-33 for a 4:1 purchase or 303-15 for a 3:1 purchase
FCC Compliant
Schaefer Fiddle, Univ Head, Cam, Becket, Ball Bearing Boat Viper 640 15 or 20A 125V StraightFiddle block with anodized aluminum cheeks, delrin(tm) ball bearing sheaves, becket and cam cleat. Works with 506 45 for 4: 1 purchase. Delrin(tm) ball bearing sheaves ensure low friction and high safe working load. Fast entry cam cleat allows easy line engagement. Sheave Dia. 1 7 16" (37mm), Thickness 2 5 16" (58mm), Width 3 7 32" (82mm), Length 6 13 32" (163mm), SWL 1500 lbs. (680kg), Weight 11. 6oz (329g), Max Line 7 16" (11mm)