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Collars

50mm dumbbell fasteners from SQMIZE® 

Top selection in best premium quality! 

Discover weight fasteners in functional designs. Combine style with safety. Proven top quality in gyms and the best prices characterise our range of dumbbell fasteners.

29 Article
Spring Collar 30 MM Body-Track® RC06
Spring Collar 30 MM Body-Track® RC06

€0.85
Spring Collar 50 MM SQMIZE® OC06
Spring Collar 50 MM SQMIZE® OC06

€2.95
Spring Collar 50 MM SQMIZE® OC06
Spring Collar 50 MM SQMIZE® OC06

€2.95
SALE
SALE
Dumbbell Collar 50 mm SQMIZE® OC10 Black-Red 
Dumbbell Collar 50 mm SQMIZE® OC10 Black-Red 

€7.95 €9.95 (20.1% saved)
Collar 50 MM SQMIZE® OC10 Black
Collar 50 MM SQMIZE® OC10 Black

€7.95
SALE
Dumbbell Collar 50 mm SQMIZE® OC10 Grey 
Dumbbell Collar 50 mm SQMIZE® OC10 Grey 

€7.95 €9.95 (20.1% saved)
SALE
Hantelverschluss 50 mm SQMIZE® OC10 Red
Hantelverschluss 50 mm SQMIZE® OC10 Red

€7.95 €9.95 (20.1% saved)
SALE
Hantelverschluss 50 mm SQMIZE® OC10 Blue
Hantelverschluss 50 mm SQMIZE® OC10 Blue

€7.95 €9.95 (20.1% saved)
SALE
Premium Dumbbell Collar 50 mm SQMIZE® OC11 Magnetic Black-Red 
Premium Dumbbell Collar 50 mm SQMIZE® OC11 Magnetic Black-Red 

€9.95 €12.95 (23.17% saved)
SALE
Dumbbell Collar 50 mm SQMIZE® OC11 Magnetic Black
Dumbbell Collar 50 mm SQMIZE® OC11 Magnetic Black

€9.95 €12.95 (23.17% saved)
SALE
Premium Dumbbell Collar 50 mm SQMIZE® OC11 Magnetic Grey 
Premium Dumbbell Collar 50 mm SQMIZE® OC11 Magnetic Grey 

€9.95 €12.95 (23.17% saved)
SALE
Dumbbell Collar 50 mm SQMIZE® OC11 Magnetic Pink
Dumbbell Collar 50 mm SQMIZE® OC11 Magnetic Pink

€9.95 €12.95 (23.17% saved)
SALE
Dumbbell Collar 50 mm SQMIZE® OC11 Magnetic Red
Dumbbell Collar 50 mm SQMIZE® OC11 Magnetic Red

€9.95 €12.95 (23.17% saved)
SALE
Dumbbell Collar 50 mm SQMIZE® OC11 Magnetic Blue
Dumbbell Collar 50 mm SQMIZE® OC11 Magnetic Blue

€9.95 €12.95 (23.17% saved)
SALE
Premium Dumbbell Lock 50 mm SQMIZE® OC11-S Magnetic Black
Premium Dumbbell Lock 50 mm SQMIZE® OC11-S Magnetic Black

€10.95 €14.95 (26.76% saved)
SALE
Premium Dumbbell Lock 50 mm SQMIZE® OC11-S Magnetic Soft Pink
Premium Dumbbell Lock 50 mm SQMIZE® OC11-S Magnetic Soft Pink

€10.95 €14.95 (26.76% saved)
SALE
Collar 50 MM SQMIZE® OC12 Aluminium Black
Collar 50 MM SQMIZE® OC12 Aluminium Black

€10.95 €14.95 (26.76% saved)
SALE
Collar 50 MM SQMIZE® OC12 Aluminium Silver
Collar 50 MM SQMIZE® OC12 Aluminium Silver

€10.95 €14.95 (26.76% saved)
SALE
Collar 50 MM SQMIZE® OC12 Aluminium Red
Collar 50 MM SQMIZE® OC12 Aluminium Red

€10.95 €14.95 (26.76% saved)
SALE
Barbell Collar 50 mm SQMIZE® OC12 Alu Gold 
Barbell Collar 50 mm SQMIZE® OC12 Alu Gold 

€10.95 €14.95 (26.76% saved)
SALE
Collar 50 MM SQMIZE® OC14 Magnetic Black
Collar 50 MM SQMIZE® OC14 Magnetic Black

€15.95 €19.95 (20.05% saved)
SALE
Collar 50 MM SQMIZE® OC14 Magnetic Silver
Collar 50 MM SQMIZE® OC14 Magnetic Silver

€15.95 €19.95 (20.05% saved)
SALE
Collar 50 MM SQMIZE® OC14 Magnetic Gold
Collar 50 MM SQMIZE® OC14 Magnetic Gold

€15.95 €19.95 (20.05% saved)
SALE
Collar 50 MM SQMIZE® OC14 Magnetic Red
Collar 50 MM SQMIZE® OC14 Magnetic Red

€15.95 €19.95 (20.05% saved)
Our range includes high-quality 50mm fasteners made of nylon and aluminium. These are available with and without magnets. Different colours offer contrasts to your weight training equipment. Every single dumbbell fastener in our range stands for the highest quality and safety.