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KLEIN TOOLS Insulated Square Screwdriver: Long Lg, #1 Tip Size, 8 1/4 in Overall Lg - Insulated Square Screwdrivers
KLEIN TOOLSInsulated Square Screwdrivers

KLEIN TOOLS Insulated Square Screwdriver: Long Lg, #1 Tip Size, 8 1/4 in Overall Lg

The KLEIN TOOLS Insulated Square Screwdriver (MPN 661-4-INS) is a long-length screwdriver with a #1 tip size, 8 1/4 in overall length, and 4 in shank length. It features a Cushion grip handle.

SKU 3G-OTH-298598

Also listed as: 6614INS · 661 4 INS

Brand
KLEIN TOOLS
Item
Insulated Square Screwdriver: Long Lg, #1 Tip Size, 8 1/4 in Overall Lg
Category
Insulated Square Screwdrivers
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Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

KLEIN TOOLS
Manufacturer Part Number
661-4-INS
Type
#1 Tip Size
Overall Lg
8 1/4 in
Shank Lg
4 in

Technical Documents

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KLEIN TOOLS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The KLEIN TOOLS Insulated Square Screwdriver (MPN 661-4-INS) is a long-length screwdriver with a #1 tip size, 8 1/4 in overall length, and 4 in shank length. It features a Cushion grip handle.

Frequently Asked Questions

What is the KLEIN TOOLS Insulated Square Screwdriver used for?

This screwdriver is designed for electrical work on live circuits up to 1000 V AC, providing protection against electric shock. Its #1 square tip drives recessed square-drive screws commonly found in electrical panels, switchgear, and industrial equipment.

What are the specifications of the KLEIN TOOLS 661-4-INS screwdriver?

The KLEIN TOOLS 661-4-INS has a #1 tip size, 8 1/4 in overall length, and 4 in shank length. It features a Cushion grip handle for comfort and control. The insulated shaft meets ASTM F1505 standards for electrical safety.

Where to buy KLEIN TOOLS Insulated Square Screwdriver worldwide?

3G Electric supplies the KLEIN TOOLS 661-4-INS Insulated Square Screwdriver worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to maintain a KLEIN TOOLS insulated screwdriver?

Inspect the insulation for cracks, cuts, or wear before each use. Clean with a dry cloth; avoid solvents that may damage the insulation. Store in a dry environment away from sharp objects. Replace immediately if the insulation is compromised to maintain electrical safety.

Used in

Common applications for KLEIN TOOLS
Electrical installation — Klein Tools Phillips screwdriver (MPN 603-6) for securing terminal blocks and panel covers.
Telecommunications cabling — Klein Tools fiberglass fish tape repair kit (MPN 56025) for maintaining pulling tools in conduit runs.
Industrial maintenance — Klein Tools ratchet wire crimper (MPN 3005CR) for terminating non-insulated connectors on 10-22 AWG wire.
Field service — Klein Tools leather tool pouch (MPN 5167) for carrying knives and screwdrivers on a work belt.
Precision assembly — Klein Tools torque screwdriver (MPN 57032) for applying controlled torque to fasteners in equipment enclosures.
General fabrication — Klein Tools adjustable wrench (MPN D509-8) for gripping nuts and bolts in tight spaces.

KLEIN TOOLS Products

3G Electric supplies KLEIN TOOLS insulated square screwdrivers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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KLEIN TOOLS Insulated Square Screwdriver: Long Lg, #1 Tip Size, 8 1/4 in Overall Lg, 4 in Shank Lg (MPN 6984INS)
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