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Technical Specifications

Part Number	Total Length (mm)	Weight (g)	Package Size (W x H x D mm)
AH-21BG	255	130	100 × 298 × 80

Fujiya Kurokin AH-21BG dimensional diagram

Pen Impact Driver Dimensions (mm)

The AH-21BG is a specialized holster tailored for "Pen-Style" impact drivers and oversized technical tools. It features a tapered profile designed to secure elongated tools while maintaining a slim footprint on your belt, preventing the driver from shifting during movement.

Key Metric	Measurement (mm)
(a) Total Length	255
(b) Width	90
(c) Depth	70

Engineered for Precision Tools

Built with high-rigidity piping, this holster ensures your impact driver can be holstered and drawn with one hand. The double-stitched synthetic reinforcements and industrial rivets are placed specifically to handle the weight distribution of battery-powered pen drivers without sag or deformation.

Ultralight Performance

Utilizing Kurokin’s proprietary Light PU material, the AH-21BG is roughly 40% lighter than standard leather holsters. This is a critical advantage for electricians and technicians who carry multiple tools; it reduces belt load while providing a durable, water-resistant exterior that stands up to demanding site conditions.

Reinforced structural piping and stitching

Industrial-Grade Reinforcement

The external piping of the storage compartment is reinforced with specialized material and double stitching. This high-rigidity construction prevents the holster from collapsing or deforming over time, ensuring your tools remain accessible even during heavy-duty use.

Integrated Bit Storage

This holder features dedicated pockets on both sides specifically designed for screwdriver bits. This layout allows for rapid bit swaps without needing to reach for a secondary pouch, keeping your most-used accessories within immediate reach.

Light PU Leather Series premium material

Ultralight PU Leather Series

At approximately 40% lighter than traditional genuine leather, the Light PU series significantly reduces the strain on your waist and shoulders. Despite its light weight, the fabric offers a premium, supple texture that rivals high-end automotive interiors, blending professional comfort with industrial practicality.

Abrasion resistant and water repellent finish

Built for Harsh Environments

Engineered to withstand direct sunlight, immersion in water, and heavy abrasion, this holster maintains its appearance and integrity under extreme conditions. Unlike natural leather, it is "easy care"—grease and site dirt can be wiped away instantly, making daily maintenance effortless.

Close up of engraved rivets and craftsman details

Meticulous Technical Detail

Every element—from the ergonomic pocket height to the specialized placement of engraved rivets—is designed with the professional craftsman in mind. The reinforced bottom prevents punctures from sharp tools, while the coordinated stitching provides an aesthetic befitting a premium tool collection.

Fujiya Kurokin AH-21BG Electric Pen Impact Driver Holder

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