Spinto Fitness Arm Blaster – Bicep Isolator for Perfect Form, SP-79

Bicep isolator designed to lock in form and maximize curling control.

• Helps Keep Elbows Positioned During Curls
• Designed for Biceps Isolation & Better Form
• Works with Dumbbells, Barbells & EZ-Curl Bars
• Supports Controlled, Strict Repetitions
• Model SP-79
• Ships from 3rd party

Spinto Fitness Arm Blaster, SP-79 is designed to help keep your elbows in a more fixed position during curls, making it easier to focus tension on the biceps and reduce unwanted upper-body movement. It is a simple training accessory for lifters who want stricter curl form.

The contoured design sits across the upper torso and helps prevent the elbows from drifting forward during dumbbell, barbell and EZ-bar curls. This encourages more controlled reps and can make it easier to maintain consistent technique throughout the set.

The SP-79 is a practical addition for bodybuilding and arm-focused training, especially for lifters who want to reduce swinging and keep curls more isolated. It works well for standing curls, preacher-style movements and other strict biceps exercises.

Position the Arm Blaster across your upper torso, place your elbows against the supports and perform each rep with controlled movement and a full range of motion.

• Helps reinforce strict curl technique
• Keeps elbows positioned for better biceps isolation
• Reduces momentum and unnecessary upper-body movement
• Works with multiple curl variations

Ideal For

• Biceps training
• Barbell and EZ-bar curls
• Dumbbell curls
• Bodybuilding
• Lifters focused on strict form and isolation

FAQs

What does an arm blaster do?
It helps keep your elbows in a fixed position during curls, making it easier to perform stricter biceps-focused repetitions.

What exercises can I use it with?
It works well with dumbbell curls, straight-bar curls, EZ-bar curls and other standing biceps exercises.

Does it replace a preacher curl bench?
No, but it can provide a similar elbow-support effect while allowing you to perform curls standing up.

Who is it best for?
It is ideal for bodybuilders, lifters and anyone who wants to improve curl form and reduce swinging.

How should I use it?
Place the blaster across your upper torso, rest your elbows against the supports and perform curls with slow, controlled reps.

Spinto Fitness Arm Blaster, SP-79 is a simple way to tighten up your curl form and keep more focus on the biceps during arm training.