Switchcraft 151 - 1/4" Mono 2-Conductor Thick Panel Mount Jack w/Cable Clamp, Nickel Finish.Jacks are standard 1/4" phone jacks with extra long threaded bushing for mounting in panels/chassis up to 1.25" thick. Metal bushing virtually eliminates hum pick-up, and is ideal for electric guitar and speaker connections. Jacks mate with standard commercial 1/4" phone plugs. Jacks mount in a single .469" diameter hole. Rugged cable clamp protects connections from twisting and pulling stresses. Configuration: Number of Conductors: 2 Product Line: Littel Jacks Mounting Type: Panel Termination Style: Solder Contact Plating: Tin Color: Nickel Locking: Non-Locking Sealed: Not Sealed Packaging Type: Bulk Standard Connector Type: 1/4" Phone Jacks & Plugs Jack-Plug Type: Jack Special Feature: Thick Panel "End Pin" Jack Electrical: Current Rating: 1 Amps Circuit-Schematic: Single Open Mechanical: Panel Thickness: 1.25 in Environmental: Temperature Range: -55C to +85C Shielding: Unshielded Minimum Temperature: -55 C Maxiumum Temperature: 85 C Compliance: RoHS Compliant: Compliant REACH Compliant: Compliant Brand: Switchcraft Material: Body Material: Copper Alloy Body Plating: Nickel Contact Material: Copper Alloy Insert Material Type: Rigid Plastic Insulating Spacers Terminal Material: Copper Alloy Spring Material: Copper Alloy Sleeve Material: Steel