STM Golf Grip G-Seven Jack M60 No Backline Adjustable Weight Custom Weight Elastomer Midsize 2026 Model Made in Japan

The popular mid-size grip "G-Seven" is now available with the long-awaited "JACK" variable weight system! Precisely customize balance and swing feel with the dedicated weight (1.2g).

Since it's a 360-degree type with no backline, you can use it as is without worrying about the logo orientation when rotating the shaft of an adjustable club.

By adding weight to the butt end, it enhances the overall maneuverability of the club, supporting a smooth takeaway and powerful impact.

Reliable MADE IN JAPAN quality with an exquisite softness and fit at hardness 45. Recommended for everyone from golf masters to beginners who are particular about the feel of their club swing.

<Specifications>

Product Name: G-Seven Jack

Core Size: M60

Weight: 48g + 1.2g weight

Hardness: 45

Material: Elastomer

Color: Black

Backline: None (No logo) 360-degree type

Country of Manufacture: Japan

<Points>

STM

STM

Golf grip

Wood

Iron

Driver

Fairway wood

Utility

Hybrid

Wedge

Reshaft

Grip replacement

Variable weight

Custom weight

Balance adjustment

Swing feel

Swing improvement

Mid-size

Thicker grip

M60

No backline

BL-less

360-degree

No logo

Compatible with adjustable clubs

Compatible with adjustable drivers

Elastomer

Resin grip

Adhesive power

Non-slip

All-weather

Resistant to rain

Butt-weighted

Counterbalance

Black

Black

Made in Japan

Domestic

High quality

Men's

Seniors

Juniors

Beginners

Intermediates

Advanced

Pro-recommended

Increased distance

Improved accuracy

Golf equipment

Golf parts