Ball Bearing Blocks 15-21mm

Low-friction Micro blocks are compact and lightweight. They are ideal for sailboards, smaller dinghies, and lightly loaded control lines on boats o...

Low-friction Micro blocks are compact and lightweight. They are ideal for sailboards, smaller dinghies, and lightly loaded control lines on boats o...

Low-friction Micro blocks are compact and lightweight. They are ideal for sailboards, smaller dinghies, and lightly loaded control lines on boats o...

Low-friction Micro blocks are compact and lightweight. They are ideal for sailboards, smaller dinghies, and lightly loaded control lines on boats o...

Low-friction Micro blocks are compact and lightweight. They are ideal for sailboards, smaller dinghies, and lightly loaded control lines on boats o...

Low-friction Micro blocks are compact and lightweight. They are ideal for sailboards, smaller dinghies, and lightly loaded control lines on boats o...

Hook-in block, ball bearing as used on the Optimist Blackgold racing masts.Due to the curved saddle the block for Optimist sailing rests against th...

Low-friction Micro blocks are compact and lightweight. They are ideal for sailboards, smaller dinghies, and lightly loaded control lines on boats o...

Low-friction micro blocks are compact and lightweight. They are ideal for sailboards, smaller dinghies, and lightly loaded control lines on boats o...

Low-friction Micro blocks are compact and lightweight. They are ideal for sailboards, smaller dinghies, and lightly loaded control lines on boats o...

Low-friction Micro blocks are compact and lightweight. They are ideal for sailboards, smaller dinghies, and lightly loaded control lines on boats o...

Low-friction Micro blocks are compact and lightweight. They are ideal for sailboards, smaller dinghies, and lightly loaded control lines on boats o...

Low-friction micro blocks are compact and lightweight. They are ideal for sailboards, smaller dinghies, and lightly loaded control lines on boats o...

Low-friction Micro blocks are compact and lightweight. They are ideal for sailboards, smaller dinghies, and lightly loaded control lines on boats o...

BLOCKS MADE FOR PERFECT INTERACTION Selden blocks give you the benefits of a high strength to weight ratio. Selden only use top quality materials l...

BLOCKS MADE FOR PERFECT INTERACTION Selden blocks give you the benefits of a high strength to weight ratio. Selden only use top quality materials l...

Single Sheave Becketted Swivel Block * 21mm x 8mm Sheave Breaking Load: 650kg * Supplied with 4mm (5/32") Shackle and locking block Becket Yes...

Double sheave becketted bullet block. Red roller range 21x8mm sheaves Breaking Load: 1250Kg Becket Yes Breaking Load 1250kg Max Line Size ...

Triple sheave bullet block. Red roller range 21x8mm sheaves Breaking Load: 1500Kg Becket No Breaking Load 1500kg Max Line Size 6mm Mount...

Triple sheave becketted bullet block. Red roller range 21x8mm sheaves Breaking Load: 1500Kg Becket Yes Breaking Load 1500kg Max Line Size ...

Single sheave flat deck block. Red roller range 21x8mm sheave Breaking Load: 500Kg Becket No Breaking Load 500kg Max Line Size 6mm Mount...

The incredible Series 20 Orbit Block is capable of working loads of up to 300kg while weighing a mere 14 grams. It's so light that it needs to be l...

The incredible HHL Series 20 Orbit Block is capable of working loads of up to 450kg while weighing a mere 26 grams. It's so light that it needs to ...

The incredible Series 20 Orbit Block is capable of loads up to 300kg while weighing a mere 21 grams. It's so light that it needs to be lashed down!...