Allen 6 x 38mm Low Profile Sheave Boxes Select (See Table Below):AL-0016 38 x 6MM LP SHEAVE BOX -ACETAL - EACH Width: 30m Height: 18mm Fastenings:

Width: 30m   Height: 18mm   Fastenings: 8mm

such as fish box

OEM Mercury Mariner Engine Part INLET VALVE 139595951 13-9595951

As far as we are aware it is the toughest you can get for an integral barrel lock

2 Dressings

Allen 6 x 38mm Low Profile Sheave Boxes Select (See Table Below):AL-0016 38 x 6MM LP SHEAVE BOX -ACETAL - EACH Width: 30m Height: 18mm Fastenings:6 x 38mm Low profile sheave boxes. Low profile pressure die cast sheave boxes are available with either plain bearing acetal resin or high load stainless steel ball bearing sheaves. They feature rope friendly friction reducing flanges and Allen's unique hook in cage designed and engineered to deal with the high loads associated with modern high performance rigs. Spec Sheet Part Description Sheave Material Rope mm Sheave Width mm Sheave mm Slot Size mm