The JumboMax JMX ArmLock 21 White/Blue/Silver combines high weight at 5.19 oz (147 g) with high length at 21 in (533.4 mm). It also combines a 0.6 in (15.2 mm) core with a pistol / putter-specific taper profile.
Golf grip specifications
JumboMax · JMX ArmLock 21 White/Blue/Silver · Putter Grip
Size: 21-inch ArmLockShape: Mid pistol / oval lowerTaper: Pistol / putter-specific taperCord: Non-cord
147 gWeight
0.60 inCore size
Very heavy / counterbalance range (80+ g)Weight class
Dataset benchmarks
How this model compares
Numeric comparisons use the grip models in this database.
Weight
High
147 g
Weight is well above the typical figure.
Core diameter
Average
0.6 in
Core diameter is close to the typical figure.
Length
High
21 in
Length is well above the typical figure.
At a glance
Grip features
CordNon-cord
AlignmentNone / putter profile
Overview
Model information
| Manufacturer | JumboMax |
|---|---|
| Model | JMX ArmLock 21 White/Blue/Silver |
| Category | Putter Grip |
| Model year / production | Not specified |
Full specifications
Technical details
Fit & sizing
Grip size21-inch ArmLock
Grip shapeMid pistol / oval lower
Taper profilePistol / putter-specific taper
Core size0.60 in (15.2 mm)
Nominal shaft butt fit0.60 in (15.2 mm)
Compatible club typePutter
Construction
Weight5.19 oz (147 g)
Cord coverageNon-cord
Length21 in (533.4 mm)
ColorWhite/Blue/Silver
Feel & performance
Alignment typeNone / putter profile
Key technologyArmLock 21 extended-length design
Practical data
Grip weight classVery heavy / counterbalance range (80+ g)
Estimated swing-weight change vs 50 g grip-19.4 points
Swing-weight effectAbout 19.4 point(s) lighter at the head vs a 50 g grip
Hand fit summary21-inch ArmLock