![Clinically Tested Mainsail Halyard (grand Prix Racing) - 12 Mm (1/2 In), 144 Ft (43.9 M) W/shackle, By Mauripro Rigging Shop (hm-gp-12-144) Online Exclusive [rOTFt2kq]](https://cdn.shopify.com/s/files/1/0879/4908/2930/files/MPR-HM-GP-12-144.jpg?v=1728329200)
![Clinically Tested Mainsail Halyard (grand Prix Racing) - 12 Mm (1/2 In), 144 Ft (43.9 M) W/shackle, By Mauripro Rigging Shop (hm-gp-12-144) Online Exclusive [rOTFt2kq]](https://cdn.shopify.com/s/files/1/0879/4908/2930/files/MPR-HM-GP-12-144_Black-Silver.jpg?v=1733257229)
![Clinically Tested Mainsail Halyard (grand Prix Racing) - 12 Mm (1/2 In), 144 Ft (43.9 M) W/shackle, By Mauripro Rigging Shop (hm-gp-12-144) Online Exclusive [rOTFt2kq]](https://cdn.shopify.com/s/files/1/0879/4908/2930/files/MPR-HM-GP-12-144_Blue-Silver.jpg?v=1733257231)
![Clinically Tested Mainsail Halyard (grand Prix Racing) - 12 Mm (1/2 In), 144 Ft (43.9 M) W/shackle, By Mauripro Rigging Shop (hm-gp-12-144) Online Exclusive [rOTFt2kq]](https://cdn.shopify.com/s/files/1/0879/4908/2930/files/MPR-HM-GP-12-144_Green-Silver.jpg?v=1733257234)
![Clinically Tested Mainsail Halyard (grand Prix Racing) - 12 Mm (1/2 In), 144 Ft (43.9 M) W/shackle, By Mauripro Rigging Shop (hm-gp-12-144) Online Exclusive [rOTFt2kq]](https://cdn.shopify.com/s/files/1/0879/4908/2930/files/MPR-HM-GP-12-144_Orange-Silver.jpg?v=1733257237)
![Clinically Tested Mainsail Halyard (grand Prix Racing) - 12 Mm (1/2 In), 144 Ft (43.9 M) W/shackle, By Mauripro Rigging Shop (hm-gp-12-144) Online Exclusive [rOTFt2kq]](https://cdn.shopify.com/s/files/1/0879/4908/2930/files/MPR-HM-GP-12-144_Red-Silver.jpg?v=1733257241)
Clinically Tested Mainsail Halyard (grand Prix Racing) - 12 Mm (1/2 In), 144 Ft (43.9 M) W/shackle, By Mauripro Rigging Shop (hm-gp-12-144) Online Exclusive [rOTFt2kq]
Pre-spliced mainsail halyards recommended for GP Racing, made out of TN Racing - Stirotex core / Technora Polyester cover with all appropriate splicing required. Our Part # MPR-HM-GP-12-144 | Mfr. Part # HM-GP-12-144
Secure Shopping
100% Safe Guarantee
Free Shipping
On orders over $30
Money-Back
30-Day Guarantee
Clinically Tested Mainsail Halyard (grand Prix Racing) - 12 Mm (1/2 In), 144 Ft (43.9 M) W/shackle, By Mauripro Rigging Shop (hm-gp-12-144) Online Exclusive [rOTFt2kq]
Pre-spliced mainsail halyards recommended for GP Racing, made out of TN Racing - Stirotex core / Technora Polyester cover with all appropriate splicing required.
Our Part # MPR-HM-GP-12-144 | Mfr. Part # HM-GP-12-144
What Our Customers Say
Absolutely no complaints!
I'm consistently impressed by its day-to-day performance.
- Daily_Driver.
Absolutely no complaints!
It has a very premium finish.
- Claire Bennett.
Absolutely no complaints!
It has a very solid and reassuring weight to it.
- Parker C..
