Mast mount for ProStart & SpeedPuck Type_Cover making them amongst the strongest

making them amongst the strongest and most reliable ballbearing blocks on the market

Hole centres: 38 mm (1 1/2")

The 50mm Pro-ratchet block from Allen features a single pro ratchet

where the adjustment allows the harness to be adjusted through the mid back and the butt parameters

Mast mount for ProStart & SpeedPuck Type_Cover making them amongst the strongestThis bracket is compatible with almost all sportboat and dinghy masts that have a bolt rope track. The bracket comes packaged with a hex key, a strip resistant stainless steel slug and all the screws, nuts and washers required to attach the Pro Start to the bracket and the bracket to your mast. The design of the bracket provides space for lines to pass behind the Pro Start.