JumboMax STR8 Tech Non-Tapered Counter Balanced Tour Series X-Large (+3/8) Golf Grip Specs
Written by Ernie in Golf Tips Last Updated August 22, 2026
The JumboMax STR8 Tech Non-Tapered Counter Balanced Tour Series X-Large (+3/8) is characterised by high weight at 4.13 oz (117 g). It also combines a 0.6 in (15.2 mm) core, a no taper / parallel profile and a firm feel.
Golf grip specifications
JumboMax · STR8 Tech Non-Tapered Counter Balanced Tour Series X-Large (+3/8) · Golf Grip
Size: X-Large (+3/8)Shape: Non-tapered roundTaper: No taper / parallelCord: Non-cord
117 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
117 g
Low22 g
This model117 g
Average59.36 g
High147 g
Weight is well above the typical figure.
Core diameter
Average
0.6 in
Low0.5 in
This model0.6 in
Average0.59 in
High0.62 in
Core diameter is close to the typical figure.
At a glance
Grip features
CordNon-cord
AlignmentNone / round
Overview
Model information
Manufacturer
JumboMax
Model
STR8 Tech Non-Tapered Counter Balanced Tour Series X-Large (+3/8)
Category
Golf Grip
Model year / production
Not specified
Full specifications
Technical details
Fit & sizing
Grip sizeX-Large (+3/8)
Grip shapeNon-tapered round
Taper profileNo taper / parallel
Core size0.60 in (15.2 mm)
Nominal shaft butt fit0.60 in (15.2 mm)
Compatible club typeWoods / hybrids / irons / wedges
Among the key figures for the JumboMax STR8 Tech Non-Tapered Counter Balanced Tour Series Medium (+5/16) is high weight at 3.6 oz (102 g). It also combines a 0.6 in (15.2 mm) core, a no taper /...
In specification terms, the JumboMax STR8 Tech Non-Tapered Counter Balanced Tour Series X-Small (+3/16) has high weight at 2.93 oz (83 g) compared with other swing grips in this database. It also...